bulkhead

bulkhead

1. any upright wall-like partition in a ship, aircraft, vehicle, etc.

2. a wall or partition built to hold back earth, fire, water, etc.

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Bulkhead

A horizontal or inclined door over a stairway giving access to a cellar; a structure on the roof of a building covering a water tank, shaft or service equipment.

Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

bulkhead

[′bəlk‚hed]

(aerospace engineering)

A wall, partition, or such in a rocket, spacecraft, airplane fuselage, or similar structure, at right angles to the longitudinal axis of the structure and serving to strengthen, divide, or help give shape to the structure.

(mining engineering)

A tight-seal partition of wood, rock, and mud or concrete in mines that serves to protect against gas, fire, and water.

(naval architecture)

An upright partition separating compartments in a ship.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

bulkhead

bulkhead

1. A structure on the roof of a building covering a water tank, shaft, or service equipment.

2. A structure, as on a roof, covering a stairwell or other opening, to provide adequate headroom.

3. A retaining structure to prevent earth movement into a dredged area.

4. A horizontal or inclined door giving access from the outside of a house to a cellar or to a shaft.

5. The member of an entrance frame which forms a base for a sidelight adjacent to a door.

6. In a concrete form, a partition which blocks fresh concrete from one section of the form or closes the end of the form (as at a construction joint).

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

bulkhead

i. A fireproof barrier separating the engine into various temperature zones. The cool zone houses the fuel, oil, hydraulic, and electrical components, along with their associated systems. The zones may be maintained at different pressures to prevent the spread of any fire from the hot zone.
ii. Any transverse partition in the fuselage at a right angle to the longitudinal axis to the body, serving to strengthen, divide, or help give shape to the structure. In the process, it divides the body into two parts.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved