Definition of "cell" []

• A narrow confining room, as in a prison or convent. (noun)
• A small enclosed cavity or space, such as a compartment in a honeycomb or within a plant ovary or an area bordered by veins in an insect's wing. (noun)
• Biology The smallest structural unit of an organism that is capable of independent functioning, consisting of one or more nuclei, cytoplasm, and various organelles, all surrounded by a semipermeable cell membrane. (noun)
• Architecture See web. (noun)
• The smallest organizational unit of a centralized group or movement, especially of a political party of Leninist structure. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "~ New 'biofuel cell' produces electricity from hydrogen in plain air -- "A pioneering “biofuel cell” that produces electricity from ordinary air spiked with small amounts of hydrogen offers significant potential as an inexpensive and renewable alternative to the costly platinum-based fuel cells that have dominated discussion about the “hydrogen economy” of the future, British scientists reported here today.""
• "As I was going to my cell I saw big bruisers go into his [fellow prisoner's] cell…."
• "Each point of the ingrowing lines of the _échelon_ has usually one cell further advanced into the corium than its neighbours, and may be termed the _apical cell_."