Crater in Irish

(constellation) 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. [from 1831]

(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. [from 1610s]

(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. [from 1610s]