ACCESSORY BUILDING — Any building other than, and not attached to, the principal building on a lot. Any structure attached to the principal building shall be deemed part of the building and shall not be an accessory building.

ALLEY — A street or thoroughfare affording only secondary access to abutting property.

BASEMENT — That portion of any structure located partly below the average adjoining lot grade.

BOARDING HOUSE — A building other than a hotel or motel where meals or lodging and meals are regularly served for compensation for not more than six persons; includes bed and breakfast establishments providing meals and lodging for tourists.

BUILDING — Any structure used, designed or intended for the protection, shelter, enclosure or support of persons or property.

BUILDING, HEIGHT OF — The vertical distance from the average curb level in front of the lot or the finished grade at the building line, whichever is higher, to the highest point of the coping of a flat roof, to the deck line of a mansard roof, or to the average height of the gable of a gambrel, hip or pitch roof.

CONDITIONAL USE — A use of land, water or building which is allowable only after the issuance of a special permit by the Plan Commission under conditions specified in this chapter.

CORNER LOT — A lot abutting two or more streets at their intersection.

DENSITY — Number of living units per acre allowable under the schedule of district regulations.

DWELLING, SINGLE-FAMILY — A detached building designed for or occupied exclusively by one family. Excludes mobile home units.

DWELLING, MULTI-FAMILY — A building or portion thereof for and occupied by two or more families.

FAMILY — A group of persons related by blood or marriage and living together as a single housekeeping entity.

FLOOR AREA — Area in square feet of all floors in all buildings, including elevators and stairways. Measured from outside of exterior wall to outside of exterior wall and multiplied by the number of floors. Includes basements which are used in the primary function of the building.

FRONTAGE — The smallest dimension of a lot abutting a public street measured along the street line.

GARAGE, PRIVATE — An accessory building or space for the storage only of not more than three motor-driven vehicles per dwelling.

GARAGE, PUBLIC — Any building or premises, other than a private or storage garage, where motor-driven vehicles are equipped, repaired, serviced, hired, sold or stored.

GARAGE, STORAGE — Any building or premises used for storage only of motor-driven vehicles and where no vehicles are serviced, repaired, hired or sold.

HOME OCCUPATION — A gainful occupation conducted by members of the family only, within their place of residence, provided that no article is sold or offered for sale on the premises, except such as is produced by such occupation, that no stock in trade is kept or sold, that no mechanical equipment is used other than such is permissible for purely domestic purposes and that no person other than a member of the immediate family living on the premises is employed.

HOTEL, MOTEL — A building in which lodging, with or without meals, is offered to transient guests for compensation.

LIVING SPACE RATIO — The square footage of open space, less the space used for vehicular movement, that exists for each square foot of building floor area.

LOADING AREA — A completely off-street space or berth on the same lot for the loading or unloading of freight carriers, having adequate ingress and egress to a public street or alley.

LOT — A parcel of land having a width and depth sufficient to provide the space necessary for one main building and its accessory building together with the open spaces required by this chapter.

LOT, DEPTH OF — The mean horizontal distance between the front and rear lot lines.

LOT LINES — The lines bounding lots as defined herein.

MINOR STRUCTURES — Any small, movable accessory erection or construction such as birdhouses, tool houses, pethouses, play equipment and walls and fences under four feet in height.

MOBILE HOME — Any vehicle designed, used or so constructed as to permit its being used as a conveyance upon the public streets or highways and constructed in such a manner as will permit occupancy thereof as a residence or sleeping place for one or more persons.

NONCONFORMING USE — A building or premises lawfully used or occupied at the time of the passage of this chapter or amendments thereto which use or occupancy does not conform to the regulations of this chapter or any amendments thereto.

OPEN SPACE — Total area in square feet of all uncovered open space of the land area within the site to be developed plus 1/2 of covered open spaces such as park shelters and carports.

OPEN SPACE RATIO — The square footage of site "open space" provided for each foot of building floor area.

RECREATION SPACE — Total area in square feet which is countable as open space, but is not paved in streets, walks or driveways is suitable for recreational pursuits. The smallest countable recreation area is 1,000 square feet. That part of a recreation area having a dimension of less than 20 feet shall not be included as countable recreation space.

RECREATION SPACE RATIO — The square footage of space for active recreation provided for each square foot of building area.

SETBACK — The minimum horizontal distance between the street line and the nearest point of a building or any projection thereto.

SIGN — Any words, letters, figures, numerals, phrases, sentences, emblems, devices, designs, trade names or trademarks, or any billboard, board, fence, platform, surface, framework, grid, superstructure or supporting structure of any kind used for advertisement purposes or upon which any advertisement is shown, painted or displayed by which anything is made known and which are used to advertise or promote an individual, firm, association, corporation, profession, business, commodity or product and which is visible from any public street or highway.

STREET — All property dedicated or intended for public or private street purposes or subject to public easements.

STORY — That portion of a building included between the surface of a floor and the surface of the floor next above it, or if there be no floor above it, then the space between the floor and the ceiling next above it.

STREET LINE — A dividing line between a lot, tract or parcel of land and a contiguous street.

STRUCTURE — Anything constructed or erected, the use of which requires permanent location on the ground.

STRUCTURAL ALTERATIONS — Any change in the supporting members of a building or any substantial change in the roof or in the exterior walls.

VISION CLEARANCE — An unoccupied triangular space at the corner of a corner lot which is bounded by the street lines and a setback line connecting points determined by measurements from the corner of each street line.

WATER LINE — The shortest straight line at the waterfront end of a stream lot that lies wholly within the lot, provided that not less than 75% of the length of such water line shall be on, or on the landward side of, the normal high water mark of such stream.

YARD — An open space on the same lot with a building, unoccupied and unobstructed from the ground upward, except as otherwise provided herein.

YARD, FRONT — That part of the lot extending the full width of the lot between the street right-of-way line and the nearest part of the principal building. For corner lots having frontage on two or more streets, a front yard shall be required along all street right-of-way lines.

YARD, REAR — That part of a lot extending the full width of the lot between the rear lot line and the nearest part of the principal building. For corner lots having frontage on two streets with an interior lot line of more than 100 feet, the rear lot line shall be the interior lot line with the shortest distance. For corner lots having frontage on two streets with no interior lot line more than 100 feet, there shall be no rear lot line and all interior lot lines shall be considered side lot lines.

YARD, SIDE — That part of a lot between each side lot line and the nearest part of the principal building extending from the front yard or front lot line where no front yard is required to the rear yard or rear lot line where no rear yard is required or the side lot line where no rear lot line exists. Each side shall comply with the respective minimum side yard setback provided in this chapter for the applicable zoning district and use. In addition, side yards on opposite sides of the principal building shall comply with the respective minimum combined total side yard setbacks provided in this chapter for the applicable zoning district and use.