Swallow_holeWordNet Explorer

Explore synonyms, antonyms, hypernyms, hyponyms, and semantic relationships for “swallow_hole” powered by Princeton WordNet.

noun

a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof

Words in this synset: sinkhole, sink
noun

a sunken or depressed geological formation

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