Waning or diminished in some parts; not of uniform size throughout; said especially of sawed boards or timber cut too near the outside of the log. / Spoiled by wet; said of timber.

(astronomy) More than half full in phase, but growing smaller.

present participle of wane

Becoming weaker or smaller. / Of the lunar phase: as it shrinks when viewed from the Earth.

The fact or act of becoming less or less intense or present; fading. / The fact or act of becoming smaller.

The moon when it appears smaller each night as it progresses from a full moon to a new moon.

plural of waning moon

plural of wanion

(obsolete) The wane of the moon. / (obsolete) Curse. / (obsolete) Vengeance (in the phrases in a wanion, with a wanion, “with a vengeance”).

(obsolete) The wane of the Moon.