Word.ws English Dictionary

A1s

A1s is the plural of A1.

Meaning of A1

Noun

A1 (plural A1s)

  1. Under the International Union of Railways (French: Union internationale des chemins de fer, UIC) classification system, a steam locomotive that has two coupled driving wheels followed by two trailing wheels, with no leading wheels; also called an 0-2-2.

See all 4 meanings of a1

Questions about A1s

What is A1s the plural of?
A1s is the plural of A1.

Words near A1s in the dictionary

  1. a11y
  2. A1A-A1A
  3. A1A-A1As
  4. A1C
  5. A1Cs
  6. A1s
  7. A2
  8. A2/C
  9. A2/Cs
  10. A20 gate
  11. A20 gates

Source and license

Adapted from Wiktionary: A1s (page history and authors); A1 (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: “A1s.” Word.ws, https://word.ws/a1s. Based on Wiktionary, CC BY-SA 4.0.