Definition of surgeonfish
: any of a family (Acanthuridae) of tropical bony fishes that have a laterally compressed body and typically a movable spine on each side of the body near the base of the tail capable of inflicting a painful wound
First Known Use of surgeonfish
Seen and Heard
What made you want to look up surgeonfish? Please tell us where you read or heard it (including the quote, if possible).