What is "arctation"

Arctation \Arc*ta"tion\, n. [L. arctus shut in, narrow, p. p. of arcere to shut in: cf. F. arctation.] (Med.) Constriction or contraction of some natural passage, as in constipation from inflammation.

n. (context medicine English) constriction or contraction of a natural passage, as in constipation from inflammation