Zephyrus was the god of the west wind and the messenger of spring in Greek mythology. He was known as one of the four Anemoi, or wind gods, each of whom represented a cardinal direction and, except for Eurus, a season. Zephyrus was often thought of as the gentlest of the four, although he possessed a capacity for jealousy.
In myth, Zephyrus could be both helpful and vindictive. As the bringer of spring, he was often looked upon favorably by classical writers and poets who wrote of his sweet westerly breeze. He had three different wives, depending on the story, and had offspring with each, including Balius and Xanthus, the immortal horses who pulled Achilles' chariot during the Trojan War.