||Rad"u*la (rd"*l), n.; pl. Radulæ (- l). [L., a scraper, fr. radere to
||scrape.] (Zoöl.) The chitinous ribbon bearing the teeth of mollusks;
||-- called also lingual ribbon, and tongue. See Odontophore.
Ra*du"li*form (r*d"l*fôrm), a. [L. radula a scraper + -form.] Rasplike;
as, raduliform teeth.
Raff (rf), v. t. [imp. & p. p. Raffed (rft); p. pr. & vb. n. Raffing.]
[OF. raffer, of German origin; cf. G. raffen; akin to E. rap to snatch.
See Rap, and cf. Riffraff, Rip to tear.] To sweep, snatch, draw, or
huddle together; to take by a promiscuous sweep. [Obs.]
Causes and effects which I thus raff up together.
Carew.
Raff, n. 1. A promiscuous heap; a jumble; a large quantity; lumber;
refuse. "A raff of errors." Barrow.
2. The sweepings of society; the rabble; the mob; -- chiefly used in
the compound or duplicate, riffraff.