the owner of a business, a hotel, land or buildings, etc. 所有人；业主◆Enquiries must be made to the proprietor. 有问题须向业主询问。◆a national newspaper proprietor 全国性报纸的老板◆She is now the proprietor of her own electrical business. 她目前拥有一家自己的电气公司。➡sole proprietor at sole proprietorship