clincher

Noun
Synonyms: determinerdetermining factordecisive factor

WordNet 3.0

Noun (3)

  1. an argument that is conclusiveSynonyms: determinerdetermining factor
  2. a point or fact or remark that settles something conclusivelySynonyms: decisive factor
  3. a tool used to clinch nails or bolts or rivets
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Webster's Dictionary (GCIDE)

Clincher \Clinch"er\, n.

1.One who, or that which, clinches; that which holds fast. --Pope. [1913 Webster]

2.That which ends a dispute or controversy; a decisive argument. [1913 Webster]

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