Motility - Definition
motility
n 1: ability to move spontaneously and independently [ant:
immotility]
2: a change of position that does not entail a change of
location; "the reflex motion of his eyebrows revealed his
surprise"; "movement is a sign of life"; "an impatient move
of his hand"; "gastrointestinal motility" [syn: motion,
movement, move, motility]