Decrescent \De*cres"cent\, a. [L. decrescens, p. pr. of decrescere. See {Decrease}.] Becoming less by gradual diminution; decreasing; as, a decrescent moon. [1913 Webster]
Decrescent \De*cres"cent\, n. (Her.) A crescent with the horns directed towards the sinister. --Cussans. [1913 Webster]