The term LP Holder can be defined by two crossword solutions: SLEEVE and JACKET. A SLEEVE is a garment that covers the arm from the shoulder to the wrist, while a JACKET is a garment that covers the upper body and arms. LP Holder is a term used to describe a device used to store vinyl records, which are commonly referred to as LPs. The device is usually made of plastic or cardboard and is designed to hold the record in place and protect it from damage.