gressorial
Also found in: Encyclopedia.
gressorial
(ɡrɛˈsɔːrɪəl) orgressorious
adj
1. (Zoology) (of the feet of certain birds) specialized for walking
2. (Zoology) (of birds, such as the ostrich) having such feet
[C19: from New Latin gressōrius, from gressus having walked, from gradī to step]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014