fenestron

English

This tail fin of a helicopter houses a fenestron, the circular shape having a series of blades.

Etymology

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

Noun

fenestron (plural fenestrons)

1. (aviation) A protected tail rotor of a helicopter, operating like a ducted fan.

Anagrams

• forenenst

Esperanto

Pronunciation

• IPA^(key): /feˈnestron/

Noun

fenestron

1. accusative singular of fenestro

French

Pronunciation

• Audio

  (file)

Noun

fenestron m (plural fenestrons)

1. small window
2. fenestron

Further reading

• “fenestron”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.