/ Dictionary / Index H haustellate: Meaning and Definition of Find definitions for: haus•tel•late Pronunciation: (hô-stel'it, hô'stu-lāt"), [key] — adj. Zool. having a haustellum. adapted for sucking, as the mouthparts of certain insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. haust. haustellum Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language