The Collaborative International Dictionary
Nomopelmous
Nomopelmous \Nom`o*pel"mous\, a. [Gr. no`mos law, custom + ? sole of the foot.] (Zo["o]l.) Having a separate and simple tendon to flex the first toe, or hallux, as do passerine birds.
Wiktionary
nomopelmous
a. (context zoology archaic rare English) Having a separate and simple tendon to flex the first toe, or hallux.