The term HIP APPENDAGE can be solved by two crossword solutions, HOORAY and STER. HOORAY is a 6-letter word that is an exclamation of joy or approval. It is often used to express congratulations or celebration. STER is a 4-letter word that is an abbreviation for the word 'STERLING, ' which is a unit of currency in the United Kingdom. In this context, HIP APPENDAGE refers to the human HIP joint, which is composed of several bones and muscles.