Submitted by György Chityil ... on Fri, 01/19/2018 - 18:28 Hierarchy: NounDescription: {{US|aeronautics}} An aircraft under development.Ngram: paper airplaneNgram Text: paper airplaneSource: WiktionaryIssue: 0Wiktionary tag: aeronauticsNgram Count: 2Wikokit WikiText ID: 1031453