radula

From Latin rādula (“scraper”).

radula (plural radulae)

1. (zoology) The rasping tongue of snails and all other mollusks except bivalves.
   • 2015, Asa H. Barber, Dun Lu, Nicola M. Pugno, "Extreme strength observed in limpet teeth", Journal of the Royal Society Interface, 18 February 2015

     The radula end containing the first 5–10 rows of teeth showed evidence of wear from rasping over rock surfaces during feeding and was removed using dissection.

   • 2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 98:

     What Kruta found in the ammonoid fossils was an unfoldable radula covered with delicate, comblike teeth.

• 
  the tongue-like radula
• 
  schematic of radula
• 
  microscopic view of radula
• 
  scrape marks on rock caused by the action of the radula of a limpet

• radula on Wikipedia.Wikipedia

radula f (plural radulas)

1. radula

• “radula” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

From rād(ō) (“I scrape”) +‎ -bulum, from Proto-Indo-European *reh₁d- + *-dʰlom. Confer with rāstrum and rallum.

• (Classical) IPA^(key): /ˈraː.du.la/, [ˈraː.dʊ.ɫa]

rādula f (genitive rādulae); first declension

1. a scraper, scraping-iron

First declension.

• English: radula
• Dutch: radula
• Portuguese: rádula

• radula in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• radula in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette