definition of express warranty:
an assurance or guarantee of some kind, given explicitly by a seller, either in words or writing.
express warranty, as it might be used:
At the time the boat was purchased, an express warranty regarding its condition was included in the sales contract.
express warranty, in an example:
Having bought a home-based business package, Fiona and Fergus are quite disappointed by the results. Upon the vendor's refusal to refund their money, Fergus and Fiona carefully reread the sales literature only to realize that no express warranty is given.