Definition of cell noun from the Oxford Advanced Learner's Dictionary
cell
noun
sel sel
1a room for one or more prisoners in a prison or police station see also padded cell2a small room without much furniture in which a monk or nun lives3the smallest unit of living matter that can exist on its own. All plants and animals are made up of cellsblood cellsthe nucleus of a cell see also stem cell4each of the small sections that together form a larger structure, for example a honeycomb5a device for producing an electric current, for example by the action of chemicals or lighta photoelectric cell6a small group of people who work as part of a larger political organization, especially secretlya terrorist cell7one of the small squares in a spreadsheet computer program in which you enter a single piece of data8(informal, especially North American English) = cell phone
sel 
sel 
1 a room for one or more prisoners in a prison or police station see also padded cell2 a small room without much furniture in which a monk or nun lives