Noun
small mostly terrestrial New World salamanders having neither lungs nor gills as adults
Source: WordNetIn many species of frog and in most lungless salamanders (Plethodontidae), direct development takes place, the larvae growing within the eggs and emerging as miniature adults. Source: Internet
In the terrestrial lungless salamanders ( family Plethodontidae), no lungs or gills are present, and gas exchange mostly takes place through the skin, supplemented by the tissues lining the mouth. Source: Internet