What is Crater?

Crater definition and meaning on Dictionary terms:
the cup-shaped depression or cavity on the surface of the earth or other heavenly body marking the orifice of a volcano.
Also called impact crater, meteorite crater. (on the surface of the earth, moon, etc.) a bowl-shaped depression with a raised rim, formed by the impact of a meteoroid.Compare astrobleme.
Astronomy. (on the surface of the moon) a circular or almost circular area having a depressed floor, almost always containing a central mountain and usually completely enclosed by walls that are often higher than those of a walled plain; ring formation; ring.Compare walled plain.

the bowllike orifice of a geyser.
the hole or pit in the ground where a bomb, shell, or military mine has exploded.
Electricity. the cavity formed in a positive carbon electrode by an electric arc.
Greek and Roman Antiquity. krater.
Metalworking. a depression at the end of a bead produced by welding.
genitive CraA.teA.ris [krey-teer-is] /kreEaE?tEaE?ra??Eas/. (initial capital letter) Astronomy. the Cup, a small southern constellation west of Corvus and north of Hydra.

verb (used with object)
to make craters in: Bombs had cratered the landscape.
Slang. to cancel, abandon, or cast aside: to crater the new project. to destroy or ruin: One more disappointment won’t crater me.

verb (used without object)
to form a crater or craters: The surface of the concrete cratered and cracked under the repeated impacts.

RELATED WORDSmouth, hole, pit, abyss, opening, bowl, hollow, depression, caldera