Как по Английски будет menguó

verb

(of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.

Примеры использования:

Tory tried to see her reflection, but the moon was waning, the stars obscured by clouds.

noun

The amount by which a plank or log is bevelled or falls short of a squared shape.

Примеры использования:

I cut the log into slabs without removing the outside wane