Meaning of GUARANTEE in English
( n. )
In law and common usage: A promise to answer for the payment of some debt, or the performance of some duty, in case of the failure of another person, who is, in the first instance, liable to such payment or performance; an engagement which secures or insures another against a contingency; a warranty; a security. Same as Guaranty.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012