clincher (n.)

  1. an argument that is conclusive

    [ Syn: determiner , determining factor ]

  2. a point or fact or remark that settles something conclusively

    [ Syn: decisive factor ]

  3. a tool used to clinch nails or bolts or rivets

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.