What is a diminutive of the bendlet, containing one half its area or one quarter the area of the bend. When a single cottise is used alone it is often called a cost. See also Couple-close called?

cottise — A diminutive of the bendlet, containing one half its area or one quarter the area of the bend. When a single cottise is used alone it is often called a cost. See also Couple-close. (Webster's 1913.)