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blockhouse definition

block·house (-ho̵us′)

noun

  1. Historical a strong wooden fort with a projecting second story and openings in the walls for the defenders to shoot from
  2. ☆ any building of squared timber or logs
  3. Mil. a small defensive structure of concrete
  4. ☆ a dome-shaped, heavily reinforced structure, with periscopes and detecting instruments, to protect observers of missile launchings, nuclear explosions, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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