|Origin:||celle, from Latin cella 'small room'|
cell W1 [countable]
the smallest part of a living thing that can exist independently
red blood cells
Embryos grow by cell division (=the splitting of cells).
a small room in a prison or police station where prisoners are kept:
He spent a night in the cells at the local police station.
the walls of his prison cell
a cellular phone; a telephone that you can carry around with you, that works by using a network of radio stations to pass on signals [= mobile British English]
Call me on my cell if you're running late.
a piece of equipment for producing electricity from chemicals, heat, or light:
a car powered by electric fuel cells
a small group of people who are working secretly as part of a larger political organization:
a terrorist cell
a small room in a monastery or convent where someone sleeps
a small space that an insect or other small creature has made to live in or use:
the cells of a honeycomb