collision bulkhead
collision bulkhead
[kə′lizh·ən ‚bəlk‚hed] (naval architecture)
A watertight partition in a ship, perpendicular to the fore and aft centerline of the ship, usually near the bow, for keeping out water in the event of a collision.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.