Definition, Meaning & Synonyms

cotter

noun
/ˈkɒt.ər/
Definition
A type of fastener used to secure an object or a joint by inserting it through a hole and then bending it to prevent it from slipping out.
Examples
  • The mechanic used a cotter to secure the wheel in place.
  • To assemble the frame, he inserted a cotter into the designated hole.
  • After checking the alignment, she made sure the cotter was firmly in place.
Meaning
A small device, often in the form of a pin or a key, that holds two or more components together, particularly in machinery or construction.
Synonyms
  • fastener
  • pin
  • locking device