gressorial

gressorial

[gre-sawr-ee-uhl, -sohr-]
adjective Zoology.
adapted for walking, as the feet of some birds.

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

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World English Dictionary
gressorial or gressorious (ɡrɛˈsɔːrɪəl)
 
adj
1.  (of the feet of certain birds) specialized for walking
2.  (of birds, such as the ostrich) having such feet
 
[C19: from New Latin gressōrius, from gressus having walked, from gradī to step]
 
gressorious or gressorious
 
adj
 
[C19: from New Latin gressōrius, from gressus having walked, from gradī to step]

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