'Twyblade' definitions:
- Twyblade \Twy"blade`\, n.
See Twayblade.
[1913 Webster]
- Twayblade \Tway"blade`\, n. (Bot.)
Any one of several orchidaceous plants which have only two
leaves, as the species of Listera and of Liparis.
[Written also twyblade.]
[1913 Webster]