\In*cres"cent\, a. [L. increscens, -entis, p. pr. of increscere. See {Increase}.] 1. Increasing; growing; augmenting; swelling; enlarging. Between the incresent and decrescent moon. --Tennyson. 2. (Her.) Increasing; on the increase; -- said of the moon represented as the new moon, with the points turned toward the dexter side.