The Collaborative International Dictionary
Increscent
Increscent \In*cres"cent\, a. [L. increscens, -entis, p. pr. of increscere. See Increase.]
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Increasing; growing; augmenting; swelling; enlarging.
Between the incresent and decrescent moon.
--Tennyson. (Her.) Increasing; on the increase; -- said of the moon represented as the new moon, with the points turned toward the dexter side.
Wiktionary
increscent
n. (context heraldiccharge English) A crescent oriented with horns turned to dexter (pointing left).