/ Dictionary / Index B bletilla: Meaning and Definition of Find definitions for: ble•til•la Pronunciation: (bli-til'u), [key] — n. any of several terrestrial orchids of the genus Bletilla, of eastern Asia, as B. striata, having terminal clusters of showy purple or white flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bletilla (Thesaurus) blether bletting Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language