Blockhouse

in Canada is the oldest remaining military blockhouse in North America. an wooden keep at Saint-Sylvain-d'Anjou, France, has a strong resemblance to a North American western frontier log blockhouse A blockhouse is a small fortification, usually consisting of one or more rooms with loopholes, allowing its defenders to fire in various directions. It is usually an isolated fort in the form of a single building, serving as a defensive strong point against any enemy that does not possess siege equipment or, in modern times, artillery, air force or cruise missiles. A fortification intended to resist these weapons is more likely to qualify as a fortress or a redoubt, or in modern times, be an underground bunker. However, a blockhouse may also refer to a room within a larger fortification, usually a battery or redoubt.

in Canada is the oldest remaining military blockhouse in North America.]] an wooden keep at Saint-Sylvain-d'Anjou, France, has a strong resemblance to a North American western frontier log blockhouse]] A blockhouse is a small fortification, usually consisting of one or more rooms with loopholes, allowing its defenders to fire in various directions. It is usually an isolated fort in the form of a single building, serving as a defensive strong point against any enemy that does not possess siege equipment or, in modern times, artillery, air force or cruise missiles. A fortification intended to resist these weapons is more likely to qualify as a fortress or a redoubt, or in modern times, be an underground bunker. However, a blockhouse may also refer to a room within a larger fortification, usually a battery or redoubt. ==Etymology== The term blockhouse is of uncertain origin, perhaps related to Middle Dutch blokhus and 18th-century French blocus (blockade).

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