rognon

noun

ro·​gnon

(ˈ)rōn¦yōⁿ,

(ˈ)rȯn-

plural -s

: a small rounded mass of rock usually embedded in rock of a different type

Word History

Etymology

French, literally, kidney, from (assumed) Vulgar Latin renion-, renio, from Latin renes (plural) kidneys

First Known Use

1853, in the meaning defined above

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