The term 'Griller' can be defined by two crossword solutions: ASKER (5 letters) and Hibachi (7 letters). An ASKER is a person who asks questions, while a Hibachi is a type of grill used for cooking. A Hibachi is a traditional Japanese heating device that consists of a round, cylindrical, or a box-shaped open-topped container made from metal, clay, or stone. It is typically used to cook food over charcoal, wood, or gas.