Blockhouse

English Meaning

An edifice or structure of heavy timbers or logs for military defense, having its sides loopholed for musketry, and often an upper story projecting over the lower, or so placed upon it as to have its sides make an angle wit the sides of the lower story, thus enabling the defenders to fire downward, and in all directions; -- formerly much used in America and Germany.

1. A military fortification constructed of sturdy material, such as concrete, and designed with ports for defensive firing or observation.
2. A heavily reinforced building used for launch operations of missiles and space launch vehicles.
3. A fort made of squared timbers with a projecting upper story.

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