The crossword solutions for the term MANTELPIECE PIECES are URN, which is a three-letter word. An URN is a type of container typically used to store ashes after cremation. It is often made of ceramic or metal and is often decorated with intricate designs. Mantelpiece pieces are items that are placed on a mantelpiece, which is a shelf above a fireplace. Common mantelpiece pieces include clocks, vases, figurines, and other decorative items.