The Collaborative International Dictionary
Tridactyle
Tridactyl \Tri*dac"tyl\ Tridactyle \Tri*dac"tyle\, a. [Gr. ?: ? (see Tri-) + ? digit: cf. F. tridactyle.] (Biol.) Having three fingers or toes, or composed of three movable parts attached to a common base.
Wiktionary
tridactyle
a. (alternative form of tridactyl English)
Wikipedia
Tridactyle
Tridactyle is a genus of flowering plants from the orchid family, Orchidaceae. It has about 60-70 known species, all native to sub-Saharan Africa.