# three green

> English word · Phrase

## Definitions
1. A confirmation given by the pilots that the landing gear has gone down successfully and has locked.

## Etymology
From the green indicator lights on the aircraft panel, one for each wheel or set of wheels.

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