'Dinichthys' definitions:

Definition of 'Dinichthys'

From: GCIDE

Dinichthys \Di*nich"thys\, n. [NL., fr. Gr. ? terrible + ? fish.] (Paleon.) A genus of large extinct Devonian ganoid fishes. In some parts of Ohio remains of the Dinichthys are abundant, indicating animals twenty feet in length. [1913 Webster]