Definition of pipe for English Language Learners. : 1  a long, hollow tube for carrying water, steam, gas, etc. : 2  a tube with a small bowl at one end that is used for smoking tobacco. : 3  a musical instrument that is in the shape of a tube, has holes along the top, and is played by blowing.
The Blood of Olympus (mentioned) Lupa is the immortal Roman wolf goddess who trains Roman demigods in the ways of Rome. She trains the demigods at the Wolf House, then sends them to Camp Jupiter where they can join the Twelfth Legion.
Artemis of Greek Mythology. Artemis (Greek mythology) is the goddess of the moon and hunting. She also represented the female side of childbirth and chastity. Her twin brother is the sun god Apollo, and their parents are Zeus and Leto. Along with her brother, Artemis is often simultaneously a healer and a hunter. The moon goddess is known for protecting and assisting young flocks, but is also known as the stag-killer for her proficient hunting with a bow and arrow, her signature weapon.