The term 'Guitar Holder' can be broken down into two crossword solutions: 'STRAP' (5 letters) and 'CASE' (4 letters). A guitar holder is an accessory used to secure a guitar in place. A STRAP is a long piece of material that is worn over the shoulder and around the body, allowing the guitar to be held in place while playing. A CASE is a hard shell container that is designed to protect the guitar from damage when not in use.