gnamma From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA rock hole, capable of holding water, formed by weathering. Related wordsSynonymsrockholerock holegilgaigourgibbergramadullagumlandgunk-holegolagunkholegunyahypogaeumgerman gullygrammageezergorge References Wiktionary — gnamma Wikipedia — gnamma