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Webster's Dictionary (1865)

2 entries under this word

Rotatory

Rō'ta-to-ry, n.

noun

n. [N. Lat. rotatoria (sc. animalia). See infra.] (Zoöl.) A wheel-animalcule; a rotifer. See ROTIFER. Kirby.

Rō'ta-to-ry, a.

adjective

(50), a. [Fr. rotatoire, Sp. & It. rotatorio. See ROTATOR and ROTARY.]

  1. Turning on an axis, as a wheel; rotary.
  2. Going in a circle; following in succession; as, rotatory assemblies. Burke.
  3. (Opt.) Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. Nichol.