Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A broad volcanic crater, usually filled with water to form a lake.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences, volcanology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a flat-bottomed volcanic crater that was formed by an explosion; often filled with water
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: volcanic crater, crater
History
Borrowed from German Maar; English usage from 1825, from Vulgar Latin *mara (“standing water”), from Latin mare (“sea”). Doublet of mare (“a large, dark plain; a lake on Titan”) and mere (“a body of standing water”).
Across languages
6 source translations are retained for this English entry.
