jeweller's shop noun1 •(Australia, informal) An exceptionally rich pocket or seam of gold-bearing ore, or, of high-quality opal; a find so rich, dazzling, and valuable that it resembles the stock of a jewellery store.paper upon which they were written. Powell's party have bottomed their claim since I last wrote to you, and may be truly said to have broken into a jeweller's shop. — 1858 formsjeweller's shops