impound

Short definition from Wiktionary

Verb

1. 1
   To shut up or place in an enclosure called a pound.
2. 2
   To hold back.
3. 3
   To hold in the custody of a court or its delegate.
4. 4
   To collect and hold (funds) for payment of property taxes and insurance on property in which one has a security interest.

Noun

1. 1
   A place in which impounded things are stored.
2. 2
   The state of being impounded.
3. 3
   That which has been impounded.
4. 4
   Amounts collected from a debtor and held by one with a security interest in property for payment of property taxes and insurance.