/ Dictionary / Index T testicular: Meaning and Definition of Find definitions for: tes•tic•u•lar Pronunciation: (te-stik'yu-lur), [key] — adj. of or pertaining to the testes. testiculate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: testicular (Thesaurus) testicle testiculate Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language