1The phase of the moon in its last quarter, before the new moon.
More example sentences
- We'd be old friends looking at an old moon, against the backdrop of lit-up Chicago.
- There is a slice of new, or old moon in the sky to the east, with Mars still glowing orange in the west.
- For those of you who saw that big old moon in the sky last night, with its full face aglow, you will understand.
More definitions of old moonDefinition of old moon in:
- The US English dictionary