'Gressorious' definitions:
Definition of 'Gressorious'
From: GCIDE
- Gressorial \Gres*so"ri*al\, Gressorious \Gres*so"ri*ous\, a. [L. gressus, p. p. of gradi to step, go.] (Zool.) Adapted for walking; anisodactylous; as the feet of certain birds and insects. See Illust. under Aves. Gret