slave
[sleyv]
noun
1. a person who is the property of and wholly subject to another; a bond servant.
2. a person entirely under the domination of some influence or person: a slave to a drug.
3. a drudge: a housekeeping slave.
4. a slave ant.
5. Photography . a subsidiary flash lamp actuated through its photoelectric cell when the principal flash lamp is discharged.
6. Machinery . a mechanism under control of and repeating the actions of a similar mechanism. Compare master ( def. 19 ) .
verb (used without object)
7. to work like a slave; drudge.
8. to engage in the slave trade; procure, transport, or sell slaves.
verb (used with object)
9. to connect (a machine) to a master as its slave.
10. Archaic . to enslave.