/ Dictionary / Index I intussusception: Meaning and Definition of Find definitions for: in•tus•sus•cep•tion Pronunciation: (in"tus-su-sep'shun), [key] — n. a taking within. growth of a cell wall by the deposition of new particles among the existing particles of the wall. Cf. apposition (def. 4). Also calledthe slipping of one part within another, as of the intestine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intussusception (Thesaurus) intussuscept intwine Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language