radula
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rad·u·la
(răj′o͝o-lə)n. pl. rad·u·lae (-lē′)
A flexible tonguelike organ found in most mollusks, having rows of horny teeth on the surface and used in feeding for scraping or cutting.
rad′u·lar adj.
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.
radula
(ˈrædjʊlə)n, pl -lae (-ˌliː)
(Zoology) a horny tooth-bearing strip on the tongue of molluscs that is used for rasping food
[C19: from Late Latin: a scraping iron, from Latin rādere to scrape]
ˈradular adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
rad•u•la
(ˈrædʒ ʊ lə)n., pl. -lae (-ˌli)
a tonguelike band in the mouth of most gastropods, set with rows of teeth.
[1745–55; < New Latin rādula; Latin: scraper =rād(ere) to scrape, rub + -ula -ule]
rad′u•lar, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.