bascule leaf

bascule leaf

[′ba‚skül ‚lēf]
(civil engineering)
The span of a bascule bridge.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
These were removed during the restoration and operational balance maintained by adjusting the level of 20 ft x 4 ft x 2 ft water tanks mounted temporarily to the nose of the bascule leafs.