• synonyms


[gre-sawr-ee-uh l, -sohr-]
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adjective Zoology.
  1. adapted for walking, as the feet of some birds.
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Origin of gressorial

1835–45; < Latin gress(us), past participle of gradī to walk + -orial, as in grallatorial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gressorial



  1. (of the feet of certain birds) specialized for walking
  2. (of birds, such as the ostrich) having such feet
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Word Origin

C19: from New Latin gressōrius, from gressus having walked, from gradī to step
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