ˈæθ.liːt ˈæθ.lit ˈd͡ʒɑkstɹæp ˈd͡ʒɒkstɹæp səˈpɔː.tə səˈpɔɹ.tɚ a support for the genitals worn by men engaging in strenuous exercise a person trained to compete in sports