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  1. Dictionary
    Cell
    /sel/

    noun

    • 1. 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" Similar dungeonoubliettelockupprison
    • 2. the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.