Submitted by György Chityil ... on Fri, 01/19/2018 - 23:31 Hierarchy: VerbDescription: {{context|of birds}} To groom; to trim or dress with the beak, as the feathers.Ngram: preenNgram Text: preenSource: WiktionaryIssue: 0Wiktionary tag: of birdsNgram Count: 1