relief tubes

A form of relief tube — A tube built into an aircraft allowing the crew to urinate while in flight.

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Meanings

noun
  1. pluralplural of relief tube
Cite this entry
APA

relief tubes. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/relief%20tubes

MLA

“relief tubes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/relief%20tubes. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “relief tubes,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/relief%20tubes.

Source: relief tubes on Wiktionary, CC BY-SA 4.0.