Impound
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
To shut up stray animals or distrained goods in a pound.
Thomas v. Harries, 1 Man. & G. 703; Goodsell v. Dunning, 34 Conn. 257; Howard v. Bartlett, 70 Vt. 314, 40 Atl. 825.
To take into the custody of the law or of a court. Thus, a court will sometimes impound a suspicious document produced at a trial.