fenestron

F4E1N1E1S1T1R1O1N1

noun

A protected tail rotor of a helicopter, operating like a ducted fan.

OriginFrench fenestron ← Latin fenestra →
Scrabble 12
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Meanings

nounfenestron (plural fenestrons)

plural fenestrons

  1. aeronauticsA protected tail rotor of a helicopter, operating like a ducted fan.

Origin

  1. Latinfenestra“window”
  2. Frenchfenestron“small window”
  3. Englishfenestron

Borrowed from French fenestron (“small window”), ultimately from Latin fenestra (“window”).

More words from French, Latin

Full word history & related roots →

Rhymes & wordplay

Anagrams

forenenst
Cite this entry
APA

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

MLA

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

Chicago

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

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