twayblade Meaning, Definition & Usage

  1. noun orchid having a pair of ovate leaves and a long slender raceme of green flowers sometimes tinged red-brown; Europe to central Asia
    Listera ovata.
  2. noun an orchid of the genus Liparis having a pair of leaves

WordNet

Tway"blade` noun
Definitions
  1. (Bot.) Any one of several orchidaceous plants which have only two leaves, as the species of Listera and of Liparis. Written also twyblade.

Webster 1913