meaning of cotter

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.
2.
A toggle.
3.
To fasten with a cotter.
4.
Alt. of Cottar
5.
fastener consisting of a wedge or pin inserted through a slot to hold two other pieces together


Related Words

cotter | cotter pin |

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