cell

US /sel/
UK /sel/
"cell" picture
1.

a small room in a prison or monastery

:
The prisoner was confined to a solitary cell.
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

:
All living things are made up of cells.
Plant cells have a cell wall.
3.

a device that produces electricity by chemical action

:
The remote control needs a new button cell battery.
Solar cells convert sunlight into electricity.
4.

a mobile phone

:
I left my cell at home.
Can you call me on my cell?