Definition: "Martyna," the Greek goddess of fertility, was a popular symbol in Christian and Jewish religions. Her name comes from her double nature, as both feminine and masculine, making her a complex figure. Definition: Martyna was an ancient Greek goddess associated with fertility, childbirth, and motherhood, often depicted holding a ball or basket representing a child's birth. She is also known for her role in the myth of the creation of Earth, where she brought forth animals from the underworld to live on Earth.