'Waning' definitions:

Definition of 'waning'

(from WordNet)
adjective
(of the Moon) pertaining to the period during which the visible surface of the moon decreases; "after full moon comes the waning moon" [ant: waxing]
noun
A gradual decrease in magnitude or extent; "the waning of his enthusiasm was obvious"; "the waxing and waning of the moon" [ant: waxing]

Definition of 'Waning'

From: GCIDE
  • Wane \Wane\, v. i. [imp. & p. p. Waned; p. pr. & vb. n. Waning.] [OE. wanien, AS. wanian, wonian, from wan, won, deficient, wanting; akin to D. wan-, G. wahnsinn, insanity, OHG. wan, wana-, lacking, wan?n to lessen, Icel. vanr lacking, Goth. vans; cf. Gr. ? bereaved, Skr. ?na wanting, inferior. ????. Cf. Want lack, and Wanton.] [1913 Webster]
  • 1. To be diminished; to decrease; -- contrasted with wax, and especially applied to the illuminated part of the moon. [1913 Webster]
  • Like the moon, aye wax ye and wane. Waning moons their settled periods keep. --Addison. [1913 Webster]
  • 2. To decline; to fail; to sink. [1913 Webster]
  • You saw but sorrow in its waning form. --Dryden. [1913 Webster]
  • Land and trade ever will wax and wane together. --Sir J. Child. [1913 Webster]

Definition of 'Waning'

From: GCIDE
  • Waning \Wan"ing\, n. The act or process of waning, or decreasing. [1913 Webster]
  • This earthly moon, the Church, hath fulls and wanings, and sometimes her eclipses. --Bp. Hall. [1913 Webster]

Words containing 'Waning'