cotter pin
noun/ˈkɒtə pɪn/
/ˈkɑːtər pɪn/
(specialist)- a metal pin that holds a part in place inside a machineWord Originmid 17th cent.: of unknown origin.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
cotter pin