WordReference Random House Unabridged Dictionary of American English © 2026
de•fec•tor
(di fek′tər),USA pronunciation n.
- a person who defects from a cause, country, alliance, etc.
- Latin dēfector renegade, rebel, equivalent. to dēfec- (variant stem of dēficere to become disaffected, revolt, literally, to fail; see defect) + -tor -tor
- 1655–65