a small cylinder containing a piston that operates the brake shoes or pads in hydraulic brakes or the working part in any other hydraulically operated system Compare master cylinder
noun 1. an overseer of slaves. 2. a hard taskmaster: His boss was a slave driver. slave-driver noun 1. (esp formerly) a person forcing slaves to work 2. an employer who demands excessively hard work from his employees
noun 1. an owner of slaves. noun 1. a person who owns slaves
noun 1. persons, especially a large group, performing labor under duress or threats, as prisoners in a concentration camp; a labor force of slaves or slavelike prisoners. 2. labor done by slaves. 3. any coerced or poorly remunerated work: Typing at that salary is slave labor.
noun 1. labor camp (def 1).