\Ro"ta*to*ry\, a. [Cf. F. rotatoire. See {Rotate},
{Rotary}.]
1. Turning as on an axis; rotary.
2. Going in a circle; following in rotation or succession;
   as, rotatory assembles. --Burke.
3. (Opt.) Producing rotation of the plane of polarization;
   as, the rotatory power of bodies on light. See the Note
   under {polarization}. --Nichol.

\Ro"ta*to*ry\, n. (Zo["o]l.)
A rotifer. [R.] --Kirby.