Jamb

jamb

[jam]

(building construction)

The vertical member on the side of an opening, as a door or window.

(mining engineering)

A vein or large block of rock that prevents miners from following a vein of ore.

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

Jamb

The vertical member at the side of a window, door, chimney, or other exterior opening.

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

jamb

window jamb

door jambs

One of the vertical members at each side of an opening such as a doorframe, window frame, or fireplace.

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