Submitted by György Chityil ... on Sat, 01/20/2018 - 01:20 Hierarchy: NounDescription: {{aviation}} an informal visit to a control tower by a pilot, typically used as part of pilot training.Ngram: walk-upNgram Text: walk-upSource: WiktionaryIssue: 0Wiktionary tag: aviationNgram Count: 1
