Crater

The term crater refers to:

• Volcanic crater, openings or eruption mouths of volcanoes.
• Impact crater, formation produced by the impact of meteorites on a body like a planet, asteroid or solid surface satellite.

• Lunar crater, impact crater on the moon.
• Explosion crater, opening caused by an explosion.
• CraterOne of the 88 constellations.
• Subsidency Crater, cavity formed by a sinking or surface collapse.

• Wikcionario has definitions and other information about crater.