tayra /ˈtaɪ.ɹə/ noun1 •A South American omnivore, Eira barbara, allied to the grison, with a long thick tail.Cope considered it partly arboreal, as tayras are, and possibly omnivorous as well as herbivorous, yet he thought he saw how it could have evolved into hulking Coryphodon in a relatively short time. — 2004 formstayras