An electronic lock operated by a keycard.

plural of keycard lock

plural of scroll lock

A type of lock opened by a sequence of numbers or symbols.

Alternative form of lockout

plural of lock-out

(historical) A hospital for the isolation and treatment of lepers. / (historical) A hospital treating people with venereal diseases in which patients were kept confined until cured.

plural of lock hospital

(dated) combination lock

plural of tide lock