UNLATCH
Meaning of UNLATCH in English
/un lach"/ , v.t.
1. to unfasten (a door, window shutter, etc.) by lifting the latch.
v.i.
2. to become unlatched.
[ 1635-45; UN- 2 + LATCH ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012