APU

A1P3U1

A form of auxiliary power unit — A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running.

Less commonScrabble 5
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Meanings

nounAPU (plural APUs)

plural APUs

  1. abbreviationinitialismaeronauticsInitialism of auxiliary power unit.
proper nounAPU (plural APUs)

plural APUs

  1. USabbreviationinitialismInitialism of Azusa Pacific University.

Rhymes & wordplay

Anagrams

paupua
Cite this entry
APA

APU. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/APU

MLA

“APU.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/APU. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “APU,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/APU.

Source: APU on Wiktionary, CC BY-SA 4.0.