law merchant

noun

A body of commercial law.

Similar
mercantile lawcommercial law

Meanings

nounlaw merchant (countable and uncountable, plural laws merchant)

plural laws merchant

  1. countablehistoricaluncountableA body of commercial law.

    […] protesting bills of exchange and promissory notes, and such other duties as pertain to that office by the custom and laws merchant; ( 2 ) to take acknowledgments of all deeds and other instruments […]

    1890, Session Laws of the State of Washington, page 11
    1 more example

    Yes Madam, I would have Law Merchant for that too—and in all cases of slander currency, whenever the Drawer of the Lie was not to be found, the injured Party should have a right to come on any of the indorsers.

    1777, Richard Brinsley Sheridan, The School for Scandal, II.ii

Synonyms & antonyms

nounthe body of rules applied to commercial transactions; derived from the practices of traders rather than from jurisprudence

Similar
mercantile lawcommercial law

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinlex mercatoria
  2. Englishlaw merchant

Calque of Latin lex mercatoria

Full word history & related roots →
Cite this entry
APA

law merchant. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/law%20merchant

MLA

“law merchant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/law%20merchant. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “law merchant,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/law%20merchant.

Source: law merchant on Wiktionary, CC BY-SA 4.0.