Word.ws English Dictionary

cotter pins

cotter pins is the plural of cotter pin.

Meaning of cotter pin

Noun

cotter pin (plural cotter pins)

  1. (US) A split pin, the ends of which project through an object being fastened and are bent back to hold it in place.
  2. (UK) A pin or wedge inserted through a slot to hold machine parts together; a cotter.

Questions about cotter pins

What is cotter pins the plural of?
Cotter pins is the plural of cotter pin.

Words near cotter pins in the dictionary

  1. Cottenham
  2. Cottenham Park
  3. Cottens
  4. cotter
  5. cotter pin
  6. cotter pins
  7. cottered
  8. Cotterell
  9. Cotterells
  10. Cotteridge
  11. Cotterill

Source and license

Adapted from Wiktionary: cotter pins (page history and authors); cotter pin (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: “cotter pins.” Word.ws, https://word.ws/cotter_pins. Based on Wiktionary, CC BY-SA 4.0.