Cat`a*stal"tic (?), a. [Gr. &?;, fr. &?; to check; kata` down, wholy + &?; to set.] (Med.) Checking evacuations through astringent or styptic qualities.
||Ca*tas"ta*sis (?), n. [NL., fr. Gr. &?;, fr. &?; to set; kata` down + &?; to place.] 1. (Rhet.) That part of a speech, usually the exordium, in which the orator sets forth the subject matter to be discussed.