cell
US /sel/
UK /sel/

1.
a small room in a prison or monastery
:
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The prisoner was confined to a solitary cell.
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Monks live in small cells within the monastery.
2.
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane
:
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All living things are made up of cells.
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Plant cells have a cell wall.
3.
4.
a mobile phone
:
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I left my cell at home.
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Can you call me on my cell?