any small compartment

(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

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

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

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

small room in which a monk or nun lives

a room where a prisoner is kept