Found 2 items, similar to lock washer.
English → English (WordNet)
Definition: lock washer
lock washer
n : washer that prevents a nut from loosening [syn:
lockring,
lock ring]
English → English (gcide)
Definition: Lock washer
Lock washer
\Lock" wash`er\, n.
A washer that is not completely smooth or flat, designed to
prevent a nut from loosening, placed under the nut on a screw
or bolt.
[1913 Webster]