a. Phys. [ANTI- 3.] Contrary to peristaltic motion; acting upwards. (See quot.)
1706. Phillips, Antiperistaltick Motion, an irregular Motion of the guts.
1727–51. Chambers, Cycl., s.v., As the peristaltic motion is a contraction of the fibres of two intestines from above, downwards; the antiperistaltic motion is their contraction from below, upwards.
a. 1845. Syd. Smith, Plymley Lett., ix. They are nauseous, antiperistaltic, and emetical.
