cotter

/ˈkɑtər/
noun
  1. A metal pin or wedge used to fasten two parts together, especially in machinery.
    • He inserted a cotter into the joint to keep the wheel from slipping off.
    • The mechanic replaced the old cotter with a new one to secure the axle.
    • Without a cotter, the connecting rod would come loose during operation.
  2. A person who lives in a cottage and works on a farm; a cottar.
    • Each cotter had a small plot of land to grow vegetables.
    • In old records, the cotter was listed as a tenant of the manor.
    • The cotter rose early to milk the cows before sunrise.
What does "cotter" mean? | whatsthatwordmean | whatsthatwordmean