# blockhouse

> English word · Noun · frequency rank #85,046

## Definitions
1. A sturdy military fortification, often of concrete, with gunports.
2. A reinforced building from which to control hazardous operations, such as an explosion or a rocket launch.
3. A temporary wooden fortification with a projecting upper storey.

## Etymology
From block + house. Calque of German Blockhaus.

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