lex mercatoria

noun

lex mer·​ca·​to·​ria

-ˌmərkəˈtōrēə

variants or lex mercatorum

-rəm

: law merchant

Word History

Etymology

lex mercatoria from Medieval Latin, literally, mercantile law; lex mercatorum from New Latin, literally, law of merchants

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now