Quiz: Remember the definition of mal de mer?


[twey-bleyd] /ˈtweɪˌbleɪd/
any of various orchids, especially of the genera Listera and Liparis, characterized by two nearly opposite broad leaves.
1570-80; dial. tway (apocopated form of Old English twēgen twain) + blade Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for twayblade


any terrestrial orchid of the genus Listera, having a basal pair of oval unstalked leaves arranged opposite each other
any of various other orchids with paired basal leaves
Word Origin
C16: translation of Medieval Latin bifolium having two leaves, from obsolete twaytwo + blade
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Encyclopedia Article for twayblade

any member of either of two genera of orchids, family Orchidaceae: Liparis and Listera. Liparis, also known as false twayblade, with about 320 species, is distributed worldwide. Each plant has broad, paired leaves, and most have dull-coloured, purplish flowers borne in a terminal spike. The flowers of the large twayblade (Liparis lilifolia) of eastern North America have thin, slender side petals and a broad lip. The fen orchid (Liparis loeselii) is a similar species found in northern Eurasia.

Learn more about twayblade with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for twayblade

Few English speakers likely know this word

Word Value for twayblade

Scrabble Words With Friends

Nearby words for twayblade