sargo

from The Collaborative International Dictionary of English v.0.48

Sargo \Sar"go\, n. [Sp. sargo, L. sargus a kind of fish.]
   (Zool.)
   Any one of several species of sparoid fishes belonging to
   {Sargus}, {Pomadasys}, and related genera; -- called also
   {sar}, and {saragu}.
   [1913 Webster]