Search Result for "lockring": 
Wordnet 3.0

NOUN (1)

1. washer that prevents a nut from loosening;
[syn: lockring, lock ring, lock washer]



WordNet (r) 3.0 (2006):

lockring
    n 1: washer that prevents a nut from loosening [syn: lockring,
         lock ring, lock washer]