(medicine) The rhythmic, wave-like contraction and relaxation of muscles so as to propagate motion, as of food in the digestive tract.

(colloquial) transient ischemic attack

(linguistics) The property of a verb or verb phrase that presents an action or event as being complete in some sense.

(biochemistry) Any of a group of oligopeptides, of plant origin, that have a cyclopeptide backbone bridged with multiple disulfide bonds