/ Dictionary / Index S sulcate: Meaning and Definition of Find definitions for: sul•cate Pronunciation: (sul'kāt), [key] — adj. having long, narrow grooves or channels, as plant stems, or being furrowed or cleft, as hoofs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sulcate (Thesaurus) Sulawesi sulcus Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language