- Gressorious
- 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}.
The Collaborative International Dictionary of English. 2000.