secret partner

noun

1. a partner whose name as a member of a firm is not revealed to the public.

Word History and Origins

Origin of secret partner¹

First recorded in 1905–10

Example Sentences

So why did Secret partner with U.S.

From New York Times

Last summer, a Storey County jury awarded a $1.3 million judgment to investor Tom Gonzales, who contended Gilman and the Storey County government conspired to bamboozle him out of his share as secret partner in the Mustang brothel.

From Washington Times

It stars Michael Douglas as the flamboyant pianist with Matt Damon playing the part of his secret partner.

From BBC

I hold those assurances yet—more than thirty-five years later—and I hold also the showing made by his receiver, to the effect that he had all the while been using my money to secure a secret partner of his own, a highly respectable gentleman who in the course of the settlement proceedings was indicted, convicted, and sent to prison for fraud.

From Project Gutenberg

After his death in 1878 his will revealed that he had a second, secret partner and family of 10 children, to whom he bequeathed "all such furniture books wines and household effects belonging to me" at an address very near his childless marital home.

From The Guardian