Word.ws English Dictionary

relief tubes

relief tubes is the plural of relief tube.

Meaning of relief tube

Noun

relief tube (plural relief tubes)

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

Questions about relief tubes

What is relief tubes the plural of?
Relief tubes is the plural of relief tube.

Words near relief tubes in the dictionary

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

Source and license

Adapted from Wiktionary: relief tubes (page history and authors); 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 tubes.” Word.ws, https://word.ws/relief_tubes. Based on Wiktionary, CC BY-SA 4.0.