/ Dictionary / Index A achlamydate: Meaning and Definition of Find definitions for: a•chlam•y•date Pronunciation: (ā-klam'i-dāt", -dit), [key] — adj. Zool. not chlamydate; having neither mantle nor pallium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. achkan achlamydeous Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language