deadbolt

English Thesaurus

1. the part of a lock that is engaged or withdrawn with a key (noun.artifact)

hypernym	:	bar,
definition	:	a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon (noun.artifact)

hyponym	:	safety bolt, safety lock,
definition	:	a bolt that cannot be moved from outside the door or gate (noun.artifact)

part meronym	:	lock,
definition	:	a fastener fitted to a door or drawer to keep it firmly closed (noun.artifact)

derivation	:	bolt,
definition	:	secure or lock with a bolt (verb.contact)

derivation	:	bolt,
definition	:	secure or lock with a bolt (verb.contact)