Submitted by György Chityil ... on Fri, 01/19/2018 - 22:23 Hierarchy: NounDescription: {{anatomy|fish}} An individual opening to gills, which lacks an operculum; characteristic of Cartilaginous fish such as sharks.Ngram: gill slitNgram Text: gill slitSource: WiktionaryIssue: 0Wiktionary tag: fishNgram Count: 2