1. Supplementary nut that is screwed down on a primary nut to prevent it from loosening
   - locknut

Derived forms: safety nuts

Type of: nut

• postnuptial
• postoperative
• postoperatively
• postorbital
• postpaid
• postpartum
• postpone
• postponement
• postponer
• postpose
• postposition
• postpositional
• postpositive
• postprandial
• postscript
• posttraumatic amnesia
• posttraumatic epilepsy
• posttraumatic stress disorder
• postulant
• postulate
• postulation
• postulational
• postulator
• Postum
• postural