gressorial

American

[gre-sawr-ee-uhl, -sohr-] / grɛˈsɔr i əl, -ˈsoʊr- /

adjective

Zoology.

adapted for walking, as the feet of some birds.

gressorial British

/ ɡrɛˈsɔːrɪəl /

adjective

(of the feet of certain birds) specialized for walking
(of birds, such as the ostrich) having such feet

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of gressorial

1835–45; < Latin gress ( us ), past participle of gradī to walk + -orial, as in grallatorial

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023