Search Result for "lynching": 
Wordnet 3.0

NOUN (1)

1. putting a person to death by mob action without due process of law;


The Collaborative International Dictionary of English v.0.48:

Lynch \Lynch\, v. t. [imp. & p. p. Lynched; p. pr. & vb. n. Lynching.] [See Note under Lynch law.] To inflict punishment upon, especially death, without the forms of law, as when a mob captures and hangs a suspected person. See Lynch law. [1913 Webster]
WordNet (r) 3.0 (2006):

lynching n 1: putting a person to death by mob action without due process of law