The offense of violently keeping possession of lands andtenements, with menaces, force, and arms, and without the authority of law. 4 Bl.Comm. 148; 4 Steph. Comm. 280.Forcible detainer may ensue upon a peaceable entry, as well as upon a forcibleentry; but it is most commonly spoken of in the phrase “forcible entry ‘and detainer.”See infra.