Felony

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

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.

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

A serious crime, usually punishable by imprisonment for more than one year.

a serious crime (such as murder or arson)