The term 'EAR (MIDDLE), BONE OF THE' can be completed with the crossword solutions STIRRUP (7 letters) and ANVIL (5 letters). The STIRRUP is a U-shaped piece of metal or leather that fits around the foot and is used to help mount and dismount a horse. It is also used to help keep the rider's feet in the correct position while riding. The ANVIL is a heavy metal block with a flat top, used as a work surface for hammering and shaping metal. It is also used to support the metal during forging and other metalworking processes.