Trade dollar
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A silver coin of the United States, of the weight of four hundred and twenty grains, troy. Rev. St. U. S. § 3513 (U. S. Comp. St. 1901, p. 2345).
Defined under Trade in Black's Law Dictionary.