/ Dictionary / Index C cytoskeleton: Meaning and Definition of Find definitions for: cy•to•skel•e•ton Pronunciation: (sī"tu-skel'i-tn), [key] — n. Cell Biol. a shifting lattice arrangement of structural and contractile components distributed throughout the cell cytoplasm, composed of microtubules, microfilaments, and larger filaments, functioning as a structural support and transport mechanism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cytoskeleton (Thesaurus) cytosine arabinoside cytosol Related Content Daily Word Quiz: rarefied Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language