The Collaborative International Dictionary
Escambio
Escambio \Es*cam"bi*o\, n. [LL. escambium, excambium. See
Excamb.] (Eng. Law)
A license formerly required for the making over a bill of
exchange to another over sea.
--Cowell.
Wiktionary
escambio
n. (context UK legal obsolete English) A licence formerly required for the making over a bill of exchange to another person overseas.