Gorget

n.	1.	A piece of armor, whether of chain mail or of plate, defending the throat and upper part of the breast, and forming a part of the double breastplate of the 14th century.
	2.	A piece of plate armor covering the same parts and worn over the buff coat in the 17th century, and without other steel armor. Unfix the gorget's iron clasp. - Sir W. Scott.
	3.	A small ornamental plate, usually crescent-shaped, and of gilded copper, formerly hung around the neck of officers in full uniform in some modern armies.
	4.	A ruff worn by women.
	5.	(Surg.) A cutting instrument used in lithotomy.
	6.	(Zool.) A crescent-shaped, colored patch on the neck of a bird or mammal. Gorget hummer (Zool.) a humming bird of the genus Trochilus. See Rubythroat.

Noun

1.

gorget - armor plate that protects the neck

armor plate, armor plating, armour plate, body armor, body armour, cataphract, coat of mail, plate armor, plate armour, suit of armor, suit of armour