impoundment

or im·pound·age

[ im-pound-muh nt ]
/ ɪmˈpaʊnd mənt /

noun

a body of water confined within an enclosure, as a reservoir.
the act of impounding: the impoundment of alien property.
the condition of being impounded.

Origin of impoundment

First recorded in 1655–65; impound + -ment
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impoundment