Английский разговорный словарь (основной) - wane

weɪn v. & n. --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. øon the wane waning; declining. øøwaney adj. (in sense 2 of n.). [OE wanian lessen f. Gmc]