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Noun: guarantor  ,ga-run'tor or ,ger-un'tor or ger-un-tur [N. Amer], ,ga-run'tor or ga-run-tu(r) [Brit]
  1. One who provides a warrant or guarantee to another
    - surety, warrantor, warranter

Derived forms: guarantors

Type of: patron, sponsor, supporter

Encyclopedia: Guarantor