Search Result for "cylinder lock":
Wordnet 3.0

NOUN (1)

1. a lock in which a cylinder rotates to move a bolt; tumblers are pins; inserting the key lifts and aligns the pins to free the cylinder to rotate; 



WordNet (r) 3.0 (2006):

cylinder lock
    n 1: a lock in which a cylinder rotates to move a bolt; tumblers
         are pins; inserting the key lifts and aligns the pins to
         free the cylinder to rotate