Newt, n. [OE. ewt, evete, AS. efete, with n prefixed, an ewt being understood as a newt. Cf. Eft.].
Any one of several species of small aquatic salamanders. The common British species are the crested newt (Triton cristatus) and the smooth newt (Lophinus punctatus). In America, Diemictylus viridescens is one of the most abundant species. [1913 Webster]