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ONAD→radula

radula

Flag: gbEnglishOxford New American Dictionary
radula /ˈrajələ, ˈrædʒələ /
▸ noun
(plural radulae /-lē, -ˌlī/)
Zoology (in a mollusk) a structure of tiny teeth used for scraping food particles off a surface and drawing them into the mouth.
– DERIVATIVES
radular /-lər/ adjective
– ORIGIN late 19th century : from Latin, literally ‘scraper’, from radere ‘to scrape’.