The Collaborative International Dictionary
Balistes vetula
oldwife \oldwife\ n.
(Zo["o]l.) The local name of various fishes, as the European black sea bream ( Cantharus lineatus), the American alewife, etc.
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(Zo["o]l.) A tropical Atlantic fish ( Bessy cerca).
Syn: queen triggerfish, Bessy cerca, oldwench, Balistes vetula.
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(Zo["o]l.) A common long-tailed sea duck ( Clangula hyemalis) of the northern parts of the US; also called old squaw. [WordNet sense 2]
Syn: old squaw, Clangula hyemalis.
Wikipedia
Balistes vetula
Balistes vetula, the queen triggerfish or old wife, is a reef dwelling triggerfish found in the Atlantic Ocean. It is occasionally caught as a gamefish, and sometimes kept in marine aquaria.