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Characteristically scratching the ground for food. Used of birds.
(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]
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]