Exact historical dictionary sense
Dollar in Webster's 1913 dictionary
The 1913 record labels dollar as noun. Its source-bounded etymology and selected historical definition appear below.
[D. daalder, LG. dahler, G. thaler, an abbreviation of Joachimsthaler, i. e., a piece of money first coined, about the year 1518, in the valley (G. thal) of St. Joachim, in Bohemia. See Dale.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "dollar" is labeled noun. Its etymology is recorded as: "[D. daalder, LG. dahler, G. thaler, an abbreviation of Joachimsthaler, i. e., a piece of money first coined, about the year 1518, in the valley (G. thal) of St. Joachim, in Bohemia. See Dale.]" The selected historical definition says: "A silver coin of the United States containing 371.25 grains of silver and 41.25 grains of alloy, that is, having a total weight of 412.5 grains."