doorlock

English Thesaurus

1. a lock on an exterior door (noun.artifact)

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

hyponym	:	night latch,
definition	:	doorlock operated by a knob on the inside and a key on the outside (noun.artifact)

part meronym	:	car door,
definition	:	the door of a car (noun.artifact)

part meronym	:	exterior door, outside door,
definition	:	a doorway that allows entrance to or exit from a building (noun.artifact)