waning moon

noun

1. the moon at any time after the full moon and before the new moon, so called because its illuminated area is decreasing. Compare waxing moon ( def ).

Word History and Origins

Origin of waning moon¹

First recorded before 1000; Middle English; Old English

Example Sentences

She added that unlike most Jewish holidays, which start on the full moon, Hanukkah begins on the waning moon and continues through the dark moon.

From Los Angeles Times

“You should see it when there is a waning moon,” the Uncle said almost wistfully.

From Literature

“It must be done before the waning moon or her powers will be too strong and she will be free to terrorize Ravenskill once more,” said Mr. Dimblewit.

From Literature

“The notes say a Nightbeast emerges exactly six months from the beginning of its hibernation period, and it prefers to do so on the waning moon,” said Valley.

From Literature

She added that unlike most Jewish holidays, which start on the full moon, Hanukkah begins on the waning moon and continues through the dark moon.

From Los Angeles Times