ROTATIVE
Ro"ta*tive, a. Etym: [Cf. F. rotatif.]
Defn: turning, as a wheel; rotary; rotational. This high rotative velocity of the sun must cause an equatorial rise of the solar atmosphere. Siemens. Rotative engine, a steam engine in which the reciprocating motion of the piston is transformed into a continuous rotary motion, as by means of a connecting rod, a working beam and crank, or an oscillating cylinder.
ROTATOR
Ro*ta"tor, n. Etym: [L.]
1. (Anat.)
Defn: that which gives a rotary or rolling motion, as a muscle which partially rotates or turns some part on its axis.
2. (Metal.)
Defn: A revolving reverberatory furnace.
ROTATORIA
Ro`ta*to"ri*a, n. pl. Etym: [NL.] (Zoöl.)
Defn: Same as Rotifera.
ROTATORY
Ro"ta*to*ry, a. Etym: [Cf. F. rotatoire. See Rotate, Rotary.]