Word.ws English Dictionary

air lines

air lines is the plural of air line.

Meaning of air line

Noun

air line (plural air lines)

  1. A pipe or tube supplying air or compressed air.
    • Air-lines from the reservoirs to supply points are 2-in. bore heavy gauge polythene pipes which are carried underground, embedded in sand.1958 October, “New Motive Power Depot at Thornaby, N.E.R.”, in Railway Magazine, page 675
  2. A railroad following a very flat, straight route between two endpoints in order to minimize travel times, choosing the shortest, most direct route practical even if longer route that was more advantageous was available.

Questions about air lines

What is air lines the plural of?
Air lines is the plural of air line.

Words near air lines in the dictionary

  1. air letter
  2. air letters
  3. air level
  4. air levels
  5. air line
  6. air lines
  7. air loan
  8. air loans
  9. air lock
  10. air locks
  11. air mail

Source and license

Adapted from Wiktionary: air lines (page history and authors); air line (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “air lines.” Word.ws, https://word.ws/air_lines. Based on Wiktionary, CC BY-SA 4.0.