impound
     v 1: take temporary possession of as a security, by legal
          authority; "The FBI seized the drugs"; "The customs
          agents impounded the illegal shipment"; "The police
          confiscated the stolen artwork" [syn: {attach}, {sequester},
           {confiscate}, {seize}]
     2: place or shut up in a pound; "pound the cows so they don't
        stray" [syn: {pound}]
Source: WordNet® 2.0