swallow hole swallow hawk • swallowlike · · · Info · Definitions · Synonyms · Characters · · swallow hole · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (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. Synonyms: sinkhole, sink, swallow hole. · · Noun Definition 1 Synonyms · · · sinkhole · · Synonym 1 sink · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073 w latin small letter w U+0077