drop tank

noun

An expendable external fuel tank on an aircraft.

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Meanings

noundrop tank (plural drop tanks)

plural drop tanks

  1. aeronauticsAn expendable external fuel tank on an aircraft.
  2. firefightingA portable tank used at the scene of a fire to hold water from the fire engine.
Cite this entry
APA

drop tank. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/drop%20tank

MLA

“drop tank.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/drop%20tank. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “drop tank,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/drop%20tank.

Source: drop tank on Wiktionary, CC BY-SA 4.0.