(astronomy) A dim spring constellation of the northern sky, said to resemble a cup. It lies between the constellations Virgo and Hydra.

(astronomy) A hemispherical pit created by the impact of a meteorite or other object.

(geology) The basin-like 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 or bomb.

(informal, by extension) Any large, roughly circular depression or hole.

(historical) Alternative spelling of krater (“vessel for mixing water and wine”)

(Scotland, Ireland) Alternative form of creature.

To form craters in a surface.

(figurative) To collapse catastrophically; to become devastated or completely destroyed.

(snowboarding) To crash or fall.