The term NATIVITY SCENE BEAST can be broken down into three parts: NATIVITY SCENE, which is a traditional depiction of the birth of Jesus Christ, usually featuring Mary, Joseph, the baby Jesus, and various animals; BEAST, which is a 3-letter word that can refer to a wild animal or a cruel person; and ASS, which is a 3-letter word meaning a donkey. The combination of these three words can refer to the donkey traditionally featured in NATIVITY scenes, which is often seen as a symbol of humility and faithfulness.