The term 'Landed Proprietor, in Scotland' can be summarized as a LAIRD, which is a five-letter word. A LAIRD is a Scottish title of nobility that is granted to the owner of a large estate or landholding. Lairds are typically responsible for managing and maintaining their lands, and they often have a seat in the House of Lords. The title of LAIRD is hereditary, and it is usually passed down through generations of the same family.