(US, slang) To have matters in control.

(poetic) Surrounded by woodland.

present participle of lock lips

(aviation, mechanical engineering) Seizure of a turbine engine due to misalignment and loss of clearance between stationary and rotating components, caused by different components cooling and contracting at different rates following engine shutdown or flameout.

(aviation, mechanical engineering, of a turbine engine) To experience core lock.

present participle of core lock

simple past tense and past participle of core lock

(aviation, mechanical engineering) Affected by core lock.

(locksmithing) A lock that requires a pocket (the mortise) to be cut into the edge of the door or piece of furniture into which the lock is to be fitted.

(typewriting) A lock key on a typewriter, which, when pressed, causes all subsequently typed letters to be capitalized.