ROTHER
Roth"er, n. Etym: [OE. See Rudder.]
Defn: A rudder. Rother nail, a nail with a very full head, used for fastening the rudder irons of ships; — so called by shipwrights.
ROTIFER
Ro"ti*fer, n. Etym: [NL. see Rotifera.] (Zoöl.)
Defn: One of the Rotifera. See Illust. in Appendix.
ROTIFERA
Ro*tif"e*ra, n.; pl. Etym: [NL., from L. rota ferre to bear.] (Zoöl.)
Defn: An order of minute worms which usually have one or two groups of vibrating cilia on the head, which, when in motion, often give an appearance of rapidly revolving wheels. The species are very numerous in fresh waters, and are very diversified in form and habits.
ROTIFORM
Ro"ti*form, a. Etym: [L. rota wheel + -form.]
1. Wheel-shaped; as, rotiform appendages.
2. (Bot.)
Defn: Same as Rotate.