English edit

Etymology edit

From waning +‎ moon. Compare Middle English waynynge of the mone, wanynge of þe mone (literally waning of the moon).

Noun edit

waning moon (plural waning moons)

  1. A moon (usually the Moon, that is, Earth's moon) when it appears smaller each night as it progresses from a full moon to a new moon: a moon in any of the diminishing lunar phases.

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