radula
/ˈrædjʊlə/noun
(pl. radulae /-liː/)
- Zoology (in a mollusc) a rasp-like structure of tiny teeth used for scraping food particles off a surface and drawing them into the mouth【动】（软体动物的）齿板, 齿舌。
派生词
radular
adjective词源
late 19th cent.: from Latin, literally 'scraper', from radere 'to scrape'.