trachystomata Meaning, Definition & Usage

Tra`chy*stom"a*ta noun plural
Etymology
NL.,fr.Gr. rough + stoma.
Definitions
  1. (Zoöl.) An order of tailed aquatic amphibians, including Siren and Pseudobranchus. They have anterior legs only, are eel-like in form, and have no teeth except a small patch on the palate. The external gills are persistent through life.

Webster 1913