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.
The She-Wolf Statue. The Capitoline Wolf, a statue of the she-wolf suckling Romulus and Remus is another possible evidence of the authenticity of the story of the legendary twins. The statue of the she-wolf that is housed in the Palazzo dei Conservatori on the Campidoglio in Rome is said to date from the late 6th or early 5th century BC.