neck-piece
/ˈnɛkpiːs/noun
1Of meat: the part of a carcass between the shoulder and the head.
2The collar of a garment, or the part of a garment that extends to or covers the neck. Now chiefly historical.
3A piece of armour, cloth, etc., covering or protecting the neck (now chiefly historical ).
Origin
Mid 16th century. From neck + piece.