The crossword solution for the term 'Heavenly Bear' is URSA, which is a four-letter word. URSA is the Latin word for bear and is also the name of a constellation in the northern sky. The constellation is often referred to as the Great Bear or the Big Dipper. It is one of the oldest constellations known to humanity and is associated with many myths and legends. In some cultures, it is seen as a symbol of strength and protection. Thus, the term 'Heavenly Bear' is an apt description for the constellation URSA.