/ ɪmˈpaʊnd; NAmE / verb [ vn ] ( law )
1.
( of the police, courts of law, etc. ) to take sth away from sb, so that they cannot use it
SYN confiscate :
The car was impounded by the police after the accident.
2.
to shut up dogs, cats, etc. found on the streets in a pound , until their owners collect them