Crater

n. bowl shaped pit (on the moon, at the mouth of a volcano, etc.); hole formed by the explosion of a mine or other explosive

Crater may refer to: In landforms:Impact crater, caused by two celestial bodies impacting each other, such as a meteorite hitting a planetVolcanic crater or caldera, formed by volcanic activity Subsidence crater, from an underground explosionOther:A crater-like cavity in the snow after reindeer dig for lichens that sustain them in winter months, an activity known as "cratering."Crater (constellation)Joseph F. Crater, a New York judge who mysteriously and famously disappeared in 1930An alternate ancient name for the Crathis, a river of southern Italy
See more at Wikipedia.org...

Noun
1. a faint constellation in the southern hemisphere near Hydra and Corvus
(hypernym) constellation

Noun
1. a bowl-shaped opening at the top of a volcano
(synonym) volcanic crater
(hypernym) crack, cleft, crevice, fissure, scissure
(hyponym) caldera
(part-holonym) volcano
2. a bowl-shaped depression formed by the impact of a meteorite or bomb
(hypernym) natural depression, depression
(hyponym) collector

n. crater

(n.)
The pit left by the explosion of a mine.
  

(n.)
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.
  

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