Lex \Lex\ (l[e^]ks), n.; pl. Leges (l[=e]"j[=e]z). [L. See
Legal.]
Law; as, lex talionis, the law of retaliation; lex terr[ae],
the law of the land; lex fori, the law of the forum or court;
lex loci, the law of the place; lex mercatoria, the law or
custom of merchants.
[1913 Webster]