the moon at any time after full moon and before new moon (so called because its illuminated area is decreasing). Also called old moon . Cf. waxing moon . See diag. under moon .
[ bef. 1000; ME; OE ]
WANING MOON
Meaning of WANING MOON in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012