trade language

noun

1. a lingua franca, especially one used primarily for trade and conducting business.

Word History and Origins

Origin of trade language¹

First recorded in 1955–65

Example Sentences

The tribe is practically extinct, but the name survives in the trade language known as “Chinook jargon.”

From Project Gutenberg

That made some sort of sense, but I was intrigued by the reference to Interlingua as a trade language.

From Project Gutenberg

Thus there is no possibility of the purchaser knowing what is meant unless he be acquainted with trade language.

From Project Gutenberg