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 Capitoline Wolf (Italian: Lupa Capitolina) is a bronze sculpture of a she-wolf suckling twin human infants, inspired by the legend of the founding of Rome.he Capitoline Wolf has been housed since 1471 in the Palazzo dei Conservatori on the Campidoglio (the ancient Capitoline Hill), Rome, Italy. The age and origin of the Capitoline Wolf is a subject of controversy.