The Collaborative International Dictionary
Gilthead \Gilt"head`\, n. (Zo["o]l.) A marine fish. The name is applied to two species:
The Pagrus auratus (syn. Chrysophrys auratus), a valuable food fish common in the Mediterranean (so named from its golden-colored head); -- called also giltpoll.
The Crenilabrus melops, of the British coasts; -- called also golden maid, conner, sea partridge.
Wiktionary
n. 1 A marine fish, (taxlink Chrysophrys auratus species noshow=1), with a golden-coloured head; the giltpoll. 2 (taxlink Symphodus melops species noshow=1), a coastal fish; the golden maid, conner, or sea partridge.
Usage examples of "gilthead".
The flat concrete benches were ashine with bream and gilthead, pilchards, sardines and mackerel.
The womb of the net had finally become visible, and it was filled with giltheads and red mullets.
In a little while they would add the giltheads and red mullets, for how could they be satisfied with just rock fish and limpets.
Come, try your hand at the giltheads and tell us what news from Saint Andrew, your son.
We took also a large number of giltheads, about one and a half inches long, tasting like dorys.