Lockout

n. refusal of an employer to give work to his employees until they have collectively agreed to his terms

Lockout may mean:A map in the game Halo 2Lockout (industry), a work stoppage in which an employer prevents some or all employees from working, even to the extent of closing the business.A daytime period in some hostels during which guests are not allowed to be present in the hostel.Lockout (telecommunication), a system of preventing unwanted signalsLock and tag, a workplace safety system to prevent activation of machinery while a worker may be inside. A worker places a padlock or other device on the control of a machine to prevent anyone else from operating it and retains the lock's key.
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Noun
1. a management action resisting employee's demands; employees are barred from entering the workplace until they agree to terms
(hypernym) resistance, opposition
(derivation) lock out

(n.)
The closing of a factory or workshop by an employer, usually in order to bring the workmen to satisfactory terms by a suspension of wages.
  

1. In telephone systems, treatment of a user's line or trunk that is in trouble, or in a permanent off-hook condition, by automatically disconnecting the line from the switching equipment. (188 ) 2. In public telephone systems, a process that denies an attendant or other users the ability to reenter an established connection. 3. In a telephone circuit controlled by two voice-operated devices, the inability of one or both users to get through, either because of excessive local circuit noise or because of continuous speech from either or both users. (188 ) 4. In mobile communications, an arrangement of control circuits whereby only one receiver can feed the system at a time. (188 ) Synonym receiver lockout system. 5. An arrangement for restricting access to use of all, or part of, a computer system. Synonym protection.