Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- Historical a strong wooden fort with a projecting second story and openings in the walls for the defenders to shoot from
- ☆ any building of squared timber or logs
- ☆ Mil. a small defensive structure of concrete
- ☆ a dome-shaped, heavily reinforced structure, with periscopes and detecting instruments, to protect observers of missile launchings, nuclear explosions, etc.
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A military fortification constructed of sturdy material, such as concrete, and designed with ports for defensive firing or observation.
- A heavily reinforced building used for launch operations of missiles and space launch vehicles.
- A fort made of squared timbers with a projecting upper story.