Crater

The basinlike opening or mouth of a volcano, through which the chief eruption comes; similarly, the mouth of a geyser, about which a cone of silica is often built up.

The pit left by the explosion of a mine.

A constellation of the southen hemisphere; -- called also the Cup.

a bowl-shaped depression formed by the impact of a meteorite or bomb

a bowl-shaped geological formation at the top of a volcano