locknut

/ˈlɒknʌt/

Definitions

1. noun

A type of nut that has threads on the inside to prevent it from coming loose when tightened, typically used in applications where a high degree of holding force is required, such as in heavy machinery or industrial equipment.

“The engineer used a locknut to secure the gear in place, ensuring it wouldn’t come loose during operation.”

Synonyms

  • bolt
  • nut

Antonyms

  • loose nut
  • unsecured fastener