'Rotator' definitions:

Definition of 'Rotator'

From: GCIDE
  • Rotator \Ro*ta"tor\, n. [L.]
  • 1. (Anat.) that which gives a rotary or rolling motion, as a muscle which partially rotates or turns some part on its axis. [1913 Webster]
  • 2. (Metal.) A revolving reverberatory furnace. [1913 Webster]