Word.ws English Dictionary

.45

.45 noun: a standard kind of firearm designed to fire bullets that are approximately 0.45 inch in diameter.

.45: a standard kind of firearm designed to fire bullets that are approximately 0.45 inch in diameter
Image: M62, CC BY-SA 3.0, via Wikimedia Commons

Noun

.45 (plural .45s)

  1. A standard kind of firearm designed to fire bullets that are approximately 0.45 inch in diameter.
    • He was wearing the normal jungle fatigues and had a .45 in a holster on his waist.2013, T. Van Ewell, Recon Airplane Company: III Corps, Vietnam, page 182

Forms of .45

plural.45s

Questions about .45

What does .45 mean?
.45 means a standard kind of firearm designed to fire bullets that are approximately 0.45 inch in diameter.
What part of speech is .45?
.45 is a noun.
What is the plural of .45?
The plural of .45 is .45s.

Words near .45 in the dictionary

  1. .22s
  2. .357
  3. .357s
  4. .38
  5. .38s
  6. .45
  7. .45s
  8. .500
  9. .com
  10. .coms
  11. .dat

Source and license

Adapted from Wiktionary: .45 (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: “.45.” Word.ws, https://word.ws/.45. Based on Wiktionary, CC BY-SA 4.0.