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definitions
  • synonyms

air-line

[air-lahyn]
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adjective
  1. straight; direct; traveling a direct route: Some railroads advertise air-line routes between stations.
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Origin of air-line

An Americanism dating back to 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for air-line

Historical Examples

  • Tupelo is about forty miles south of Rienzi, on an air-line.

    The Iron Furnace

    John H. Aughey

  • It is seventy miles in an air-line from Stony Crossing to the fort.

    Raw Gold

    Bertrand W. Sinclair

  • Like his companion, this insect rose and encircled the stump several times, ere it darted away toward its hive, in an air-line.

    Oak Openings

    James Fenimore Cooper

  • The animal flew in an air-line toward a point of wood distant fully half a mile, and on the margin of the prairie.

    Oak Openings

    James Fenimore Cooper

  • Although he moved swiftly, and nearly by an air-line, his thoughts scarce kept company with his feet.

    Oak Openings

    James Fenimore Cooper