waning   (TTS Sound)

The waning has 2 Senses.

• waning
• a gradual decrease in magnitude or extent; "the waning of his enthusiasm was obvious"; "the waxing and waning of the moon"
• 規模や量が次第に減少すること

• waning
• (of the Moon) pertaining to the period during which the visible surface of the moon decreases; "after full moon comes the waning moon"
• （月について）可視月面が減少する期間に関係するさま