Submitted by György Chityil ... on Fri, 01/19/2018 - 20:39 Hierarchy: NounDescription: {{aviation}} a fixed or adjustable direction propeller unit mounted on the bow of an airship for increased maneuverabilityNgram: bow thrusterNgram Text: bow thrusterSource: WiktionaryIssue: 0Wiktionary tag: aviationNgram Count: 2