noun
: a dollar issued as a trade coin ; especially : the United States silver dollar weighing 420 grains .900 fine issued 1873-85 for use in oriental trade
noun
: a dollar issued as a trade coin ; especially : the United States silver dollar weighing 420 grains .900 fine issued 1873-85 for use in oriental trade
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012