BILL OF SIGHT, English commercial law. When a merchant i's ignorant of the real quantities or qualities of any goods consigned to him, so that he is unable to make a perfect entry of them, he is required to acquaint the collector or comptroller of the circumstances and such officer is authorized, upon the importer or his agent making oath that he cannot, for want of full information, make a perfect entry, to receive an entry by bill of sight, for the packages, by the best description which can be given, and to grant a warrant that the same be landed and examined by the importer in presence of the officer; and within three days after the goods have been so landed, the importer is required to make a perfect entry. See stat. 3 & 4 Will. IV. c . 52, Sec. 24.