A grinder is a tool used to break down solid materials into smaller pieces. The crossword solutions for the term grinder include hoagy (5 letters), HERO (4 letters), SUB (3 letters), pestle (6 letters), HOAGIE (6 letters), MILL (4 letters), MOLAR (5 letters), ORGAN (5 letters), TOOTH (5 letters), sko (3 letters), peppermill (10 letters), and Italianhero (11 letters). Hoagy and HOAGIE are both types of sandwiches, while HERO is another name for a submarine sandwich. A SUB is a type of sandwich made on a long roll. A pestle is a tool used to grind ingredients in a mortar. A MILL is a machine used to grind materials into a powder. Molars are teeth used for grinding food. An ORGAN is a musical instrument that produces sound by means of pipes and keyboards. A TOOTH is a hard structure in the mouth used for chewing. Sko is a type of Scandinavian bread. A peppermill is a device used to grind peppercorns. An Italianhero is a type of sandwich made with Italian meats and cheeses.