un·bolt 
(ŭn-bōlt)
(ŭn-bōlt)tr.v. un·bolt·ed, un·bolt·ing, un·bolts
To release the bolts of (a door, for example); unlock.
- press luck
- pressman
- pressmark
- press of sail
- press one's luck
- pressor
- press/push (one's) luck
- press release
- pressroom
- press run
- pressrun
- press secretary
- press the flesh
- presstime
- pressure
- pressure anemometer
- pressure cabin
- pressure-cook
- pressure cooker
- pressure drag
- pressure gauge
- pressure group
- pressure point
- pressure suit
- pressure-tube anemometer