Source : Webster's Revised Unabridged Dictionary (1913)

Gilthead \Gilt"head`\, n. (Zo["o]l.)
   A marine fish. The name is applied to two species:
   (a) The {Pagrus, or Chrysophrys, auratus}, a valuable food
       fish common in the Mediterranean (so named from its
       golden-colored head); -- called also {giltpoll}.
   (b) The {Crenilabrus melops}, of the British coasts; --
       called also {golden maid}, {conner}, {sea partridge}.