locknut

About 0.10 uses per million words.

Meaning

1. noun A nut with an inner ring made of a material with elastic properties to prevent it from slipping.
2. noun A second nut, screwed down onto another in order to prevent it slipping.

Similar words

airbag nut lug nut lugnut anchor nut lockring clinch nut ring wrench wing nut check nut

Often followed by

and on to is with securely or from wrench

Word family

locknuts