Definition of: crescent

(kres′ənt) noun
1. The visible part of the moon in its first quarter, having one concave edge and one convex edge; the new moon.
2. Something crescent–shaped, as the device on the Turkish standard; hence The Crescent, the Turkish or Mohammedan power.
—adjective
1. Increasing: said of the moon in its first quarter.
2. Shaped like the moon in its first quarter. [<L crescens, -entis, ppr. of crescere increase]
—cres·cen·tic (kre·sen′·tik) adjective