Synonyms: rotary motion, rotation
Definition: the act of rotating as if on an axis
Usage: the rotation of the dancer kept time with the music
Similar words: motility, motion, move, movement
Definition: a change of position that does not entail a change of location
Usage: the reflex motion of his eyebrows revealed his surprise; movement is a sign of life; an impatient move of his hand; gastrointestinal motility