peristalsis [
,peri'stælsis]
peristalsisperistalses[ noun ]
the process of wavelike muscle contractions of the alimentary tract that moves food along
<noun.process>
Peristalsis \Per`i*stal"sis\, n. [NL. See {Peristaltic}.]
(Physiol.)
Peristaltic contraction or action.