/ Dictionary / Index S subulate: Meaning and Definition of Find definitions for: su•bu•late Pronunciation: (s'byu-lit, -lāt"), [key] — adj. Biol. slender, somewhat cylindrical, and tapering to a point; awlshaped. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subtype subumbrella 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