A dwelling unit varying in square footage from 200 square feet to 500 square feet that provides a residential living environment assisted by congregate meals, housekeeping and personal services for persons, age 55 or older, who have temporary or periodic difficulties with one or more essential activities of daily living, such as feeding, bathing, dressing or mobility. As assisted living unit shall include accessory uses, including dining rooms, bathing areas, common areas, offices and other space necessary to provide the above services.

A facility which has a primary purpose of providing housing and continuing care for people over the age of 55 or where either the husband or wife is over age 55 and consists of independent apartment units, assisted living units, skilled care nursing units and continuing care retirement community accessory uses, all as defined herein. For purposes of this Part 8, continuing care means the provision of lodging, nursing, medical or health-related services at the same or another location to an individual pursuant to an agreement effective for the life of the individual or for a period greater than one year, including mutually terminable contracts, and in consideration of the payment of an entrance fee with or without other periodic charges.

Any use necessary for the operation of the facility or for the benefit or convenience of the residents and their guests, including, but not limited to, kitchen and dining facilities, places of worship, indoor and outdoor recreational buildings and uses, retail and banking facilities, beauty salons and barbershops, gift shops, classrooms, security facilities, conference rooms, common areas, guest rooms, administrative offices, medical offices, postal center, pharmacy, maintenance facilities, craft and music rooms, library and television room and heating and cooling equipment structures, provided that the accessory use is for the primary benefit of the continuing care retirement community and provided that there is no exterior announcement of the use.

A dwelling unit containing living areas, bedroom areas, kitchen areas and bathrooms, including studio-style apartments, varying in square footage from 350 square feet to 2,000 square feet, which houses one or more people over the age of 55 in a manner in which they may live independently while receiving one or more meals per day in a congregate setting.

A nursing bed or individual room which provides board, shelter and twenty-four-hour skilled nursing and medical care to chronic or convalescent patients. A nursing unit shall include accessory uses, including dining rooms, bathing areas, common areas, offices, clinics, therapy areas, medical facilities and other space necessary to provide the above services.