Merriam-Webster Collegiate Dictionary - slave

 geographical name river 258 miles (415 kilometers) Canada flowing from W end of Lake Athabasca N into Great ~ Lake SLAVE  I. noun  Etymology: Middle English sclave, from Anglo-French or Medieval Latin; Anglo-French esclave, from Medieval Latin sclavus, from Sclavus Slavic; from the frequent en~ment of Slavs in central Europe during the early Middle Ages  Date: 14th century  1. a person held in servitude as the chattel of another  2. one that is completely subservient to a dominating influence  3. a device (as the printer of a computer) that is directly responsive to another  4. drudge, toiler  • ~ adjective  II. verb  (~d; slaving)  Date: 1602  transitive verb  1. archaic en~  2. to make directly responsive to another mechanism  intransitive verb  1. to work like a ~ ; drudge  2. to traffic in ~s