heavy joist

heavy joist

A timber usually at least 4 in. (10 cm) thick and 8 in. (20 cm) or more in width.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in classic literature ?
The vagabonds recovered their courage; soon the heavy joist, raised like a feather by two hundred vigorous arms, was flung with fury against the great door which they had tried to batter down.