0 the round object that moves in the sky around the earth and can be seen at night:
1 to show your naked bottom in public, as a joke or as a protest :
2 the object, similar to a planet, that moves through the sky, circling the earth once every 28 days, and which can often be seen clearly at night when it shines with the light coming from the sun:
3 to move or spend time in a way that shows a lack of care and interest and no clear purpose:
Neil Armstrong was the first person to set foot on the surface of the moon.
The moon goes around the earth.
