Definition of "Cell" :

noun: (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals

noun: a device that delivers an electric current as the result of a chemical reaction

noun: a room where a prisoner is kept

noun: small room in which a monk or nun lives

noun: any small compartment

"The cells of a honeycomb."

noun: a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver

noun: a small unit serving as part of or as the nucleus of a larger political movement