Webster’s Revised Unabridged Dictionary · 1913
Eventognathi
Ev′en·tog′na·thi (ĕv′ĕn·tŏg′nȧ·thī), n. pl. [NL., fr. Dr. εὖ well + ἐντός within γνάθος the jaw.] (Zoöl.) An order of fishes including a vast number of freshwater species such as the carp, loach, chub, etc.