achilary: Meaning and Definition of

a•chi•la•ry

Pronunciation: (u-kī'lu-rē), [key]
— adj. Bot.
  1. 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.