To be diminished; to decrease; particularly applied to the illuminated part of the moon. WE say, the moon wanes, that is, the visible or illuminated part decreases. Waning moons their settled periods keep.

To decline; to fail; to sink; as the waning age of life. You saw but sorrow in its waning form. Land and trade ever will wax and wane together.

To cause to decrease.

Decrease of the illuminated part of the moon, to the eye of a spectator.

Decline; failure; diminution; decrease; declension. You are cast upon an age in which the church is in its wane.