noun, plural rad·u·lae [raj-oo-lee] /ˈrædʒ ʊˌli/.
Origin of radula
Examples from the Web for radula
Radula narrow with one lateral tooth on each side, and one median tooth or none.
I did my Biology at University College,—getting out the ovary of the earthworm and the radula of the snail, and all that.The Island of Doctor Moreau|H. G. Wells
Shell elongated, with long siphon; lateral teeth of radula multicuspidate.
Shell external, smooth, heliciform or flattened; radula with pointed marginal teeth.
Under the name of Trochus turritus our author appears to have first described his Murex radula.
British Dictionary definitions for radula
noun plural -lae (-ˌliː)
Word Origin for radula
Word Origin and History for radula
surgical instrument, 1753, from Latin radula "scraper, scraping iron," from radere "to scrape" (see raze). Related: Radular.