From Longman Dictionary of Contemporary Englishlynchlynch /lɪntʃ/ verb [transitive] SCSARif a crowd of people lynches someone, they kill them, especially by hanging them, without a trial —lynching noun [countable]→ See Verb table
Examples from the Corpus
lynch• In the course of the riot the governor of the city was lynched.• Wild street celebrations turned to looting and several unpopular officials were reportedly lynched.• A history of lynching has bred this reflex in her.• A black man was lynched in Mississippi.• One of the city leaders was nearly lynched on Nov. 27 by a mob.• Police stopped a crowd from lynching the attacker, aged 22.• Then he lynched the doe in the trees.• The people did not see the two youths - but if they saw them now they say they would lynch them.Origin lynch (1800-1900) William Lynch (1724-1820), U.S. citizen who organized illegal trials in Virginia 