Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{geology}} an underwater vortex similar to a whirlwind. Capable of dislodging, picking up, and moving boulders.Ngram: kolkNgram Text: kolkSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1