crescent
1. cres.cent \'kres-*nt\ \kre-'sent-ik\ n [ME cressant, fr. MF creissant, fr. prp. of creistre to grow,] increase, fr. L crescere; akin to OHG hirsi millet, L creare to create, Gk koros boy 1a: the moon at any stage between new moon and first quarter and between la st quarter and the succeeding new moon when less than half of the illuminated hemisphere is visible 1b: the figure of the moon at such a stage defined by a convex and a concav e edge 2: something shaped like a crescent - cres.cen.tic aj 2. crescent aj [L crescent-, crescens, prp. of crescere] : INCREASING
Webster's English Dictionary