Preventing something from becoming stuck or jammed. Especially applies to anti-lock brakes, which are designed to continue rotating for better steering control while slowing the vehicle, rather than "locking" and causing the car to skid.

(US, slang) A command to prepare a weapon for battle. / (US, slang) Prepare for an imminent event.

(US, slang) To prepare one's weapon. / (US, slang) To prepare for an imminent event.

(transitive) To imprison or incarcerate (someone). / (transitive) To invest in something long term. / (intransitive) To close all doors and windows (of a place) securely.

(historical) A kind of high-security axial wafer lock.

(slang) A state of extreme lethargy induced by marijuana.

plural of Bramah lock

(transitive) To secure; to make people stay locked indoors for their safety. / (transitive) To limit the use of a computer network to only users with permission.

Third-person singular simple present indicative form of lock down

present participle of lock down