register tonnageglossary / REGISTER TONNAGE register tonnage. The volume of a vessel available for commercial use, officially measured and entered in a record for purposes of taxation. — Also termed registered tonnage. 词条贡献者 法律翻译Jessie,在一家亚洲一流律师事务所的北京办公室担任全职法律翻译,擅长翻译有关港口、铁路、公路与海运的法律文件。