ballastage|ˈbæləstɪdʒ| [f. ballast n. + -age.] Toll paid for the privilege of taking ballast. 1691T. H[ale]Acc. New Invent. 95 The Right of the Ballastage..belongs to the Admiral.1759Ann.Reg. 97/2 Better regulation of lastage and Ballastage in the Thames.