noun lock·nut \-ˌnət\

Definition of LOCKNUT

:  a nut screwed down hard on another to prevent it from slacking back
:  a nut so constructed that it locks itself when screwed tight against another part

First Known Use of LOCKNUT

circa 1864


Next Word in the Dictionary: lockoutPrevious Word in the Dictionary: LocknitAll Words Near: locknut
May 30, 2015
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