unbolt

verb

1. (transitive)To unlock by undoing the bolts of.

   “Then, sweet my lord, I’ll call mine uncle down; He shall unbolt the gates.”

   “Diesel engines roar, trailer trucks rumble over the streets and an air wrench screams as a worker at the tire repair shop on the corner unbolts a wheel from a sanitation truck.”

   “A young orangutan in the San Diego Zoo became famous for unbolting the screening of his crib, removing the wires, and moving through the zoo nursery, unscrewing lightbulbs.”

   “Then I hid the knife I kept under my pillow, cleaned the dust from my shoes, and carefully unbolted the door.”