Bible Dictionaries
Trachystomata

Webster's Dictionary

(n. pl.) 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.

Bibliography Information
Webster, Noah. Entry for 'Trachystomata'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/trachystomata.html. 1828.