/ Dictionary / Index T tenesmus: Meaning and Definition of Find definitions for: te•nes•mus Pronunciation: (tu-nez'mus, -nes'-), [key] — n. Pathol. a straining to urinate or defecate, without the ability to do so. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tenesmus (Thesaurus) Tenerife tenet Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language