D defs.my
Entry 1 sense Webster, 1913

Peristaltic

· Per·i·stal·tic · IPA /ˌpɛr.əˈstɒl.tɪk/
01 a. Pertaining to a wormlike wave motion of the intestines, and by analogy, of other flexible tubular structures. In the body it is produced b…
  1. 1.
    Pertaining to a wormlike wave motion of the intestines, and by analogy, of other flexible tubular structures. In the body it is produced by a progressive contraction of the muscular fibers of their walls, forcing their contents onwards in the direction of the wave; as, peristaltic movement.(Physiol.)