/ Dictionary / Index T twayblade: Meaning and Definition of Find definitions for: tway•blade Pronunciation: (twā'blād"), [key] — n. any of various orchids, esp. of the genera Listera and Liparis, characterized by two nearly opposite broad leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: twayblade (Thesaurus) twat tweak Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language