Meaning of WARRANTY in English

n. (pl. -ies)

1. an undertaking as to the ownership or quality of a thing sold, hired, etc., often accepting responsibility for defects or liability for repairs needed over a specified period.

2 (usu. foll. by for + verbal noun) an authority or justification.

3 an undertaking by an insured person of the truth of a statement or fulfilment of a condition.

Etymology: ME f. AF warantie, var. of garantie (as WARRANT)

Oxford English vocab.      Оксфордский английский словарь.