Definition of old wife
- any of a number of deep-bodied edible marine fishes, in particular:
- a brightly patterned tropical Atlantic triggerfish (Balistes vetula, family Balistidae). a small brightly patterned Australian fish (Enoplosus armatus, the only member of the family Enoplosidae). the black sea bream of European Atlantic waters (Spondyliosoma cantharus, family Sparidae).