wicket dam

wicket dam

[′wik·ət ‚dam]
(civil engineering)
A movable dam consisting of a number of rectangular panels of wood or iron hinged to a sill and propped vertically; the prop is hinged and can be tripped to drop the wickets flat on the sill.
References in periodicals archive ?
In the 1950s, the corps undertook the Ohio River Navigation Modernization Program to replace the obsolete system of wicket dams and small locks.
Locks and Dams 52 and 53 on the lower river are the last of the old wicket dams, and were scheduled for replacement by the Olmsted Locks and Dam project, to be completed by 2008.
Locks and Dam 52 is just one of two structures left on the Ohio River that uses wooden wicket dams to maintain a navigational pool during low water.