simple past tense and past participle of wane

(woodworking) Having wanes, i.e. rounded corners caused by lack of wood, often showing bark.

plural of waning

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

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

plural of waning moon

To progress cyclically through various phases. / To alternate; to increase and diminish in turn.

(archaic) second-person singular simple present form of wane