Word.ws English Dictionary

relief tube

relief tube noun: a tube built into an aircraft allowing the crew to urinate while in flight.

Noun

relief tube (plural relief tubes)

  1. (historical) A tube built into an aircraft allowing the crew to urinate while in flight.

Forms of relief tube

pluralrelief tubes

Questions about relief tube

What does relief tube mean?
Relief tube means a tube built into an aircraft allowing the crew to urinate while in flight.
What part of speech is relief tube?
Relief tube is a noun.
What is the plural of relief tube?
The plural of relief tube is relief tubes.

Words near relief tube in the dictionary

  1. relief pitcher
  2. relief pitchers
  3. relief printing
  4. relief teacher
  5. relief teachers
  6. relief tube
  7. relief tubes
  8. relief valve
  9. relief valves
  10. relief worker
  11. relief workers

Source and license

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