impost
5.an impost levied in England to provide money for ships for national defense.
6.Either of the sides of an arch, curving down from the apex to an impost.
7.The Subcontractor shall give notices, make applications, and pay fees, impost and other charges in respect of the Subcontract Works promptly, properly and diligently.
8.5 Indemnification The Subcontractor undertakes to indemnify the Contractor for all fees, impost and other charges in respect of the Subcontract Works, if and whenever required of the Contractor by the Authority.

