Webster's 1828 Dictionary
ASSIENTO
n.[L. assideo.] A contract or convention between the king of Spain and other powers, for furnishing slaves for the Spanish dominions in south America.
Webster's 1913 Dictionary
ASSIENTO
As `si *en "to, n. Etym: [Sp. asiento seat, contract or agreement, fr. asentar to place on a chair, to adjust, to make an agreement; a (L. ad ) + sentar, a participial verb; as if there were a L. sedentare to cause to sit, fr. sedens, sedentis, p. pr. of sed to sit. ]
Defn: A contract or convention between Spain and other powers for furnishing negro slaves for the Spanish dominions in America, esp. the contract made with Great Britain in 1713.
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