Definitions

1. adjective

Relating to or situated on the center of the back, especially of a fish or a vertebrate.

“The centrodorsal fin of the fish is a key identifying feature.”

2. noun

The centrodorsal, a dorsal fin found on the back of certain fish, especially of the family Tetraodontidae.

“The centrodorsal of the pufferfish is used for balance and maneuverability.”