Definition of twayblade in English:

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Pronunciation: /ˈtwāˌblād/


An orchid with a slender spike of greenish or mauve flowers and a single pair of broad leaves near the base or midway up the stem.
  • Genera Listera and Liparis, family Orchidaceae: several species, including the North American heartleaf twayblade (Listera cordata) and the Eurasian common twayblade (Listera ovata).
Example sentences
  • Less common species are meadow saxifrage, green-winged orchid, common twayblade and lesser butterfly-orchid.
  • Surveys have found close to a thousand heart-leafed twayblades in the lower, wetter areas.
  • The name twayblade refers to the pair of oval leaves (two blades) near the base of the plant.


Late 16th century: from tway (variant of twain) + blade, translating Latin bifolium.

For editors and proofreaders

Syllabification: tway·blade

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