Barrage

1. n. An artificial bar or obstruction placed in a river or water course to increase the depth of water; as, the barrages of the Nile.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.