DICT.TW Dictionary Taiwan

 latch·key /ˈlæʧˌki/
 閂鎖鑰匙,彈簧鎖鑰匙

 Latch·key n. A key used to raise, or throw back, the latch of a door, esp. a night latch.
 ◄ ►

 latchkey
      n : key for raising or drawing back a latch or opening an
          outside door