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Definition of Crater
1. Noun. A bowl-shaped geological formation at the top of a volcano.
Specialized synonyms: Caldera, Maar
Generic synonyms: Formation, Geological Formation
Group relationships: Volcano
2. Noun. A faint constellation in the southern hemisphere near Hydra and Corvus.
3. Noun. A bowl-shaped depression formed by the impact of a meteorite or bomb.
Definition of Crater
1. 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.
Definition of Crater
1. Proper noun. (constellation): A dim spring constellation of the northern sky, said to resemble a cup. It lies between the constellations Virgo and Hydra. ¹
2. Noun. (astronomy) A hemispherical pit created by the impact of a meteorite or other object. ¹
3. Noun. (geology) 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. ¹
4. Noun. (informal) The pit left by the explosion of a mine or bomb. ¹
5. Noun. (informal) Any large, roughly circular depression or hole. ¹
6. Verb. To collapse catastrophically; implode; hollow out; to become devastated or completely destroyed. ¹
7. Verb. (snowboarding) To crash or fall. ¹
8. Noun. (Ireland informal) A term of endearment, a dote, a wretched thing. ¹
¹ Source: wiktionary.com
Definition of Crater
1. to form cavities in a surface [v -ED, -ING, -S]
Medical Definition of Crater
1. The most depressed, usually central portion of an ulcer. (05 Mar 2000)