The term 'Five Iron, Old-Style' refers to a type of golf club that was used in the early days of the sport. The crossword solution for this term is 'MASHIE, ' which is a six-letter word. MASHIE is an old-fashioned golf club that is similar to a five iron, but with a slightly shorter shaft and a more upright lie angle. It is typically used for shots from the fairway or rough, and is known for its accuracy and control.