PERISTALSIS
peristalsis, vermiculation
(noun) the process of wavelike muscle contractions of the alimentary tract that moves food along
Source: WordNet® 3.1
Etymology
Noun
peristalsis (countable and uncountable, plural peristalses)
(medicine) The rhythmic, wave-like contraction and relaxation of muscles so as to propagate motion, as of food in the digestive tract.
Synonyms
• enterocinesia
• vermiculation (dated)
Source: Wiktionary
Per`i*stal"sis, n. Etym: [NL. See Peristaltic.] (Physiol.)
Definition: Peristaltic contraction or action.
Source: Webster’s Unabridged Dictionary 1913 Edition