- [Zoöl] Any one of many species of marine gastropods belonging to Triton and allied genera, having a stout spiral shell, often handsomely colored and ornamented with prominent varices. Some of the species are among the largest of all gastropods. Called also trumpet shell, and sea trumpet.
- [Zoöl] Any one of numerous species of aquatic salamanders. The common European species are Hemisalamandra cristata Molge palmata, and Molge alpestris, a red-bellied species common in Switzerland. The most common species of the United States is Diemyctylus viridescens. See Illust. under Salamander.
Etymology: L., fr. Gr. Tri`twn