Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
(Animals) a pale blind eel-like salamander, Proteus anguinus, of underground streams in SE Europe, that retains its larval form throughout its life: family Proteidae. See also mudpuppy
[C20: from German]
Switch to new thesaurus
|Noun||1.||olm - European aquatic salamander with permanent external gills that lives in caves|
salamander - any of various typically terrestrial amphibians that resemble lizards and that return to water only to breed