the world > relative properties > wholeness > mutual relation of parts to whole > separation > separation or detachment > loosening or unfastening > loosen, unfasten, or untie [verb (transitive)] > loosen or weaken the attachment of > cause to lose hold (3)
transitive. To detach from something held or that holds; spec. in hawking.
To cause to slip or lose hold; esp. to undo (a knot) in this way. Also in figurative context.
transitive. To loosen the hold or grasp of (fingers, arms, etc.); to cause (a thing) to stop clinging. Also with from.