physostomi Meaning, Definition & Usage

Phy*sos"to*mi noun plural
Etymology
NL., fr. Gr. a bellows + mouth.
Definitions
  1. (Zoöl.) An order of fishes in which the air bladder is provided with a duct, and the ventral fins, when present, are abdominal. It includes the salmons, herrings, carps, catfishes, and others.

Webster 1913