303

noun

The .303 British rifle calibre.

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Meanings

noun303 (plural 303s)

plural 303s

  1. informalsingularsingular onlyengineeringThe .303 British rifle calibre.
  2. countableA rifle chambered in this calibre, normally the SMLE series.
  3. countableentertainmentThe TB-303 synthesizer.
proper noun
  1. oftenwith definite articleNorth Central Colorado, including Denver and Boulder, after the 303 area code.
Cite this entry
APA

303. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/303

MLA

“303.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/303. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “303,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/303.

Source: 303 on Wiktionary, CC BY-SA 4.0.