ace in a day

noun

An aviator (usually a fighter pilot) who destroys five or more enemy aircraft (the number required to become an ace) in a single day.

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Meanings

nounace in a day (plural aces in a day)

plural aces in a day

  1. aeronauticsAn aviator (usually a fighter pilot) who destroys five or more enemy aircraft (the number required to become an ace) in a single day.
Cite this entry
APA

ace in a day. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/ace%20in%20a%20day

MLA

“ace in a day.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ace%20in%20a%20day. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “ace in a day,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/ace%20in%20a%20day.

Source: ace in a day on Wiktionary, CC BY-SA 4.0.