GNU Collaborative International Dictionary of English

Found one definition

  1.       
    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]