# capsquare

> English word · Noun

## Definitions
1. A metal plate that covers the trunnions of a cannon and holds it in place.

## Etymology
From cap + square.

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