[ air-lahyn ]
See synonyms for airline on
  1. Aeronautics.

    • a system furnishing air transport, usually scheduled, between specified points.

    • the airplanes, airports, etc., of such a system.

    • Often airlines . a company that owns or operates such a system.

  2. a direct line; beeline.

  1. an airhose used to pipe air to a deep-sea diver, pneumatic drill, etc.

  1. of or on an airline.

Origin of airline

First recorded in 1910–15; air1 + line1

Other definitions for air-line (2 of 2)

[ air-lahyn ]

  1. straight; direct; traveling a direct route: Some railroads advertise air-line routes between stations.

Origin of air-line

An Americanism dating back to 1805–15 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use airline in a sentence

  • And the same goes for any other common carrier—the railroads, bus service, and airlines.

  • They were laughing at the trick they pulled on the airlines.

  • I was flying as a passenger on one of the airlines once, going out to Wichita to take delivery of a ship I had sold.

    Test Pilot | David Goodger (
  • Delta Airlines can give you the date of the flight to Puerto Rico exactly.

    Warren Commission (11 of 26): Hearings Vol. XI (of 15) | The President's Commission on the Assassination of President Kennedy
  • Marscorp still controls all the airlines, but the Mars government keeps a pretty strict finger on their planetbound operations.

    Atom Drive | Charles Louis Fontenay

British Dictionary definitions for airline


/ (ˈɛəˌlaɪn) /

    • a system or organization that provides scheduled flights for passengers or cargo

    • (as modifier): an airline pilot

  1. a hose or tube carrying air under pressure

  1. mainly US a beeline

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012