“Through Sandwich Notch the West Wind sang
Good morrow to the cotter.”
— Whittier.
02n.
A piece of wood or metal, commonly wedge-shaped, used for fastening together parts of a machine or structure. It is driven into an opening …
1.
A piece of wood or metal, commonly wedge-shaped, used for fastening together parts of a machine or structure. It is driven into an opening through one or all of the parts. [See Illust.] In the United States a cotter is commonly called a key. Also: key