Merriam-Webster's Collegiate® Dictionary, 11th Edition
TRESPASS
I. noun
Etymology: Middle English trespas, from Anglo-French, passage, overstepping, misdeed, from trespasser
Date: 13th century
1. a violation of moral or social ethics ; transgression , an unwarranted infringement,
2. an unlawful act committed on the person, property, or rights of another, the legal action for injuries resulting from trespass,
II. verb see: through
Date: 14th century
intransitive verb
1. err , sin , to make an unwarranted or uninvited incursion, to commit a trespass, transitive verb violate , trespasser noun Synonyms: see: trespass