# rearguard

> English word · Noun · IPA /ˈɹɪəɹˌɡɑɹd/ · frequency rank #51,347

## Definitions
1. The rearmost part of a force, especially a detachment of troops that protect the rear of a retreating force.
2. The defence, collectively the defenders.

## Etymology
From rear + guard. Attested in The Song of Roland c. 1150 (rereguarde). Doublet of retrogarde.

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