Felony

Part of speech: noun (n.)

1. An act on the part of the vassal which cost him his fee by forfeiture. Burrill.

2. An offense which occasions a total forfeiture either lands or goods, or both, at the common law, and to which capital or other punishment may be added, according to the degree of guilt.

3. A heinous crime; especially, a crime punishable by death or imprisonment.