D defs.my
Entry 4 senses · 2 variants Webster, 1913

Rotatory

· Ro·ta·to·ry · IPA /ɹəʊˈteɪtəɹi/
01 a. Turning as on an axis; rotary.
  1. 1.
    Turning as on an axis; rotary.
  2. 2.
    Going in a circle; following in rotation or succession; as, rotatory assembles.
  3. 3.
    Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization.(Opt.) See: polarization
02 n. A rotifer.
  1. 1.
    A rotifer.(Zool.) [R.]