Definition of cotters:
(n) :
(mechanical engineering) A pin or wedge inserted through a slot to hold machine parts together.
(n) :
(informal) A cotter pin.
(v) :
(transitive) To fasten with a cotter.
(n) :
(historical) A peasant who performed labour in exchange for the right to live in a cottage.
(n) :
A surname.
(n) :
A minor city in Baxter County, Arkansas, United States.