rotatory

Adjective

ro=ta=to=ry

WORDNET DICTIONARY

rotatory(a = adj.pert) revolutionary - of or relating to or characteristic or causing an axial or orbital turn;

Derived form verb rotate₄

rotatory, a. [Cf. F. rotatoire. See Rotate, Rotary.].

Turning as on an axis; rotary. [1913 Webster]
Going in a circle; following in rotation or succession; as, rotatory assembles. Burke. [1913 Webster]
Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization. Nichol. [1913 Webster]

rotatory, n.

A rotifer. Kirby. [1913 Webster]