tway·blade 
(twāblād′)
(twāblād′)n.
Any of various small terrestrial orchids of the genera Liparis and Listera, having usually two basal leaves and a terminal cluster of greenish or purplish flowers.
[Obsolete tway, two (short for Middle English twaine; see TWAIN) + BLADE (translation of Medieval Latin bifolium, two-leaf).]
- cross-fertilize
- cross-file
- cross-filer
- crossfire
- cross-grained
- cross hair
- crosshair
- crosshatch
- cross-hatching
- crosshead
- cross-index
- crossing
- crossing over
- crossing-over
- cross-legged
- cross-link
- crossly
- cross matching
- cross mind
- cross multiplication
- cross-multiply
- cross-national
- crossness
- cross (one's) mind
- cross one's mind