Definition, Meaning & Synonyms

counterpin

noun
/ˈkaʊntərˌpɪn/
Definition
A type of pin used to stop or block movement, often employed in mechanical devices or systems.
Examples
  • The technician inserted a counterpin to secure the alignment of the gears.
  • During assembly, she noticed the counterpin had come loose, which could lead to malfunction.
Meaning
In mechanics, a counterpin is a pin that is put in place to prevent another component from moving out of position, thereby ensuring stability and proper function.
Synonyms
  • retaining pin
  • stopping pin
  • anchor pin