definition of
lock

[1] #1 lock v. fasten with a lock; "lock the bike to the fence". wn

[2] #2 lock v. [engage, mesh, operate] keep engaged; "engaged the gears". wn

[3] #3 lock n. a fastener fitted to a door or drawer to keep it firmly closed. wn

[4] #4 lock v. become rigid or immoveable; "The therapist noticed that the patient's knees tended to lock in this exercise". wn

[5] #5 lock n. [curl, ringlet, whorl] a strand or cluster of hair. wn