tri·dactyl \(ˈ)trī+\adjective ortri·dactylous\“+\; alsotri·dac·tyle\-|daktəl\ Etymology:tridactyl, tridactylous from Greek tridaktylos, from tri- three + daktylos finger; tridactyle from French, from Greek tridaktylos — more at tri- : having three fingers or toes < the tridactyl foot of some reptiles >