The term OF GRACE SYMBOL is represented by the crossword solution SWAN, which is a four-letter word. The SWAN is a graceful and elegant bird that has been used as a symbol of grace for centuries. In ancient Greek mythology, the SWAN was associated with the gods Apollo and Zeus, and it was believed to be a symbol of beauty, love, and fertility. In Christianity, the SWAN is often seen as a symbol of purity and grace. In literature, the SWAN is often used as a metaphor for grace and beauty.