weather bar[′weth·ər ‚bär]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
water bar, weather bar
A wood or metal strip which is fixed to the sill of an external door or a window to resist the penetration of water.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.