—v.intr.
1 (of the moon) decrease in apparent size after the full moon (cf. WAX(2)).
2 decrease in power, vigour, importance, brilliance, size, etc.; decline.
—n.
1 the process of waning.
2 a defect of a plank etc. that lacks square corners.
Phrases and idioms:
on the wane waning; declining.
Derivatives:
waney adj. (in sense 2 of n.).
Etymology: OE wanian lessen f. Gmc
Useful english dictionary. 2012.