# empennage

> English word · Noun

## Definitions
1. The tail assembly of an aircraft.
2. The feathers of an arrow or the tail fins of a bomb or rocket used to stabilize the longitudinal axis of the projectile parallel to the flight path.

## Etymology
From French empennage (“feathers of an arrow”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/empennage