Lex mercatoria
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Bouvier (1839)
Ballentine's Law Dictionary
James A. Ballentine · 1916
The law merchant. See Law merchant.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
The law-merchant. That system of laws which is adopted by all commercial nations, and constitutes a part of the law of the land.
Defined under Lex in Black's Law Dictionary.
A Law Dictionary, Adapted to the Constitution and Laws of the United States
John Bouvier · 1839
Vide Law Merchant.