It means that only part of the Moon is illuminated by the Sun.
aytac: crescent moon, crown shape of the moon.
The Moon's shape changes throughout its cycle, starting with a New Moon (not visible) on October 6, waxing to a Full Moon on October 20, and waning to a New Moon again on October 6. The specific shape each night in between depends on its phase, such as crescent, gibbous, or quarter.
phase
Any shape resembling the curved shape of the moon in its first or last quarters
You can tell if the moon is waxing or waning by looking at its shape. When the moon is waxing, it appears to be getting bigger each night. When the moon is waning, it appears to be getting smaller each night.
Identify each shape
The term "waning crescent" refers to the shape of the moon as it appears in the sky during the moon's waning phase. It refers to the crescent shape of the moon that is getting smaller each night as it moves towards a new moon phase.
None do. All that changes is the portion of the illuminated half of the moon that's visible from where we are. But aside from some irregular tidal effects, the physical shape of the moon is constant.
The moon is not changing it's shape!
The duration of Shape of the Moon is 1.82 hours.
The general term for the visible lit part of the moon is "the phase of the moon." The visible lit portion can have a crescent shape, a gibbous shape or a "half-moon" (half circle) shape.
a moon wow