# castrum

> English word · Noun

## Definitions
1. Among the Ancient Romans, a building or plot of land used as a military defensive position.

## Etymology
Borrowed from Latin castrum. Doublet of Caister and Chester.

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