Floating dam

An anchored dam.
A caisson used as a gate for a dry dock.

See also: Floating, Floating

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The brainchild of innovation architect, John Dobozy (see Ecos 118), the Aquadam will capture and store rainwater, stormwater and desalinated seawater in a flexible, floating dam sited some 2 to 5 km out to sea.
The new solution sees the implementation of containment booms, which will act as giant floating dams, trapping any oil spill to stop it spreading too far.