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Characteristically scratching the ground for food. Used of birds.
[From Late Latin rāsor, scraper, from Latin rāsus, past participle of rādere, to scrape; see rēd- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Zoology) (of birds such as domestic poultry) adapted for scratching the ground for food
[C19: from New Latin Rasores such birds, from Latin rādere to scrape]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ra•so•ri•al(rəˈsɔr i əl, -ˈsoʊr-)
1. given to scratching the ground for food, as chickens.
2. adapted for scratching, as a bird's foot.
[1830–40; < New Latin Rasor(es) formerly an order of such birds, Late Latin rāsorēs, pl. of rāsor scratcher < Latin rādere to scrape, scratch]
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