Rosetta stone

noun Ro·set·ta stone \rō-ˈze-tə-\

Definition of ROSETTA STONE

: a black basalt stone found in 1799 that bears an inscription in hieroglyphics, demotic characters, and Greek and is celebrated for having given the first clue to the decipherment of Egyptian hieroglyphics

: one that gives a clue to understanding

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Origin of ROSETTA STONE

Rosetta, Egyptian

First Known Use: 1822

Rhymes with ROSETTA STONE

accident-prone, anticyclone, Asunción, Bois de Boulogne, bred-in-the-bone, close to the bone, Darby and Joan, eau de cologne, enterprise zone, fire-and-brimstone, foundation stone, mesocyclone, metallophone, Nuevo León, progesterone, radiophone, strawberry roan, testosterone, videophone

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Britannica.com: Encyclopedia article about "Rosetta stone"

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