- [Law] A person who has committed a felony.
- A person guilty or capable of heinous crime.
- [Med] A kind of whitlow; a painful imflammation of the periosteum of a finger, usually of the last joint.synonyms: Criminal; convict; malefactor; culprit.
Etymology: OE., adj., cruel, (n.), villain, ruffian, traitor, whitlow, F. félon traitor, in OF. also, villain, fr. LL. felo. See Fell, (a.)