a small room in which a prisoner is locked up or in which a monk or nun sleeps

the authorities locked all remaining inmates in their cells

the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane

a small group forming a nucleus of political activity, typically a secret, subversive one

terrorist cells

a device containing electrodes immersed in an electrolyte, used for generating current or for electrolysis

the local area covered by one of the short-range transmitters in a cellular telephone system