unbrake

From un- +‎ brake.

• IPA^(key): /ʌnˈbɹeɪk/

unbrake (third-person singular simple present unbrakes, present participle unbraking, simple past and past participle unbraked)

1. (intransitive) to stop braking, to release the brake(s)
2. (transitive) to release the brakes of (a car, wheel)

• Burkean, Urbanek, un-break, unbreak