Hypertext Webster Gateway: "Radula"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Radula \Rad"u*la\, n.; pl. {Radul[ae]}. [L., a scraper, fr.
radere to scrape.] (Zo["o]l.)
The chitinous ribbon bearing the teeth of mollusks; -- called
also {lingual ribbon}, and {tongue}. See {Odontophore}.
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