Definition of "olm" [olm]

• A cave-dwelling amphibian, Proteus anguinus of the genus Proteus, having external gills; it is found along the coast from northeastern Italy to Montenegro (noun)

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• "In the caves of Slovenia, he encounters the peculiar creature known as the olm, a cave-dwelling blind salamander once believed to be a baby dragon."
• "The blind salamander (Proteus anguinus), also known as the olm, has the longest lifespan of any amphibian, often living to over 70 in zoos, and with a predicted maximum age of over 100."
• "The olm is a snake-like creature 25-30 cm long and weighing only up to 20 grams."