The term 'hammer and anvil setting' refers to a type of jewelry setting in which a gemstone is held in place by two metal pieces, one resembling a hammer and the other resembling an anvil. The gemstone is placed between the two pieces and secured with prongs or claws. This type of setting is often used for larger stones, as it provides more security than other types of settings. The crossword solution for this term is EAR, which stands for 'Elevated Above Ring, ' referring to the way the gemstone is raised above the metal pieces.