Definition of "impoundment" [impoundment]

• The act of impounding or the state of being impounded. (noun)
• A body of water, such as a reservoir, made by impounding. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "• No facilities exist for long-term impoundment of animals kept as evidence."
• "Home of the world-record muskie, this remote impoundment is beginning to make its name as a bass fishery."
• "This Colorado River impoundment is yet another fishery recovering from drought."