unlatch
/ʌnˈlætʃ/
verb
- To open or release a latch or lock, allowing a door, window, or gate to swing open.
- The mechanic used a tool to unlatch the hood of the car.
- She reached out to unlatch the garden gate and let the dog in.
- He had to unlatch the window before he could slide it open.
- To become unfastened or open by releasing a latch.
- The lock on the old chest sometimes unlatches by itself.
- The gate will unlatch if you push it hard enough.
- Be careful that the door doesn't unlatch while you're carrying the groceries.