ETYM Old Fren. trespas, French trépas death. Related to Trespass.
1. A wrongful interference with the possession of property (personal property as well as realty), or the action instituted to recover damages.
2. Entry to another's property without right or permission; SYN. encroachment, violation, intrusion.
Going on to the land of another without authority. In law, a landowner has the right to eject a trespasser by the use of reasonable force and can sue for any damage caused.
A trespasser injured on another's land cannot usually recover damages from the landowner unless the latter can be held to have deliberately done him or her some positive injury.