"Foster home" means a facility wherein:

A. The operator is not legally related to the individuals supervised and is licensed by the state, and

B. Not more than eight individuals reside and are provided with room, board, ordinary care, and supervision. More than eight individuals may reside in a home where such individuals are all related to one another as brothers and/or sisters. The term "foster home" includes, without limitation by reason of enumeration, receiving homes and free homes. (Ord. 523 § 1(part), 1989)