/ Dictionary / Index A achilary: Meaning and Definition of Find definitions for: a•chi•la•ry Pronunciation: (u-kī'lu-rē), [key] — adj. Bot. having no labellum or lip, or one that is undeveloped, as in the flower of certain orchids. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. achievement test Achill 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