# leading edge

> English word · Noun

## Definitions
1. The frontmost edge of a wing or other airfoil of an aircraft; sometimes contains slots or slats.
2. The foremost part of any physical object.
3. The foremost part of a trend etc; a vanguard.
4. The forefront of practice or technology.

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