- Troy, Ilion, Ilium - an ancient city in Asia Minor that was the site of the Trojan War
 --1 is a kind of city, metropolis, urban center
 --1 is a part of Asia Minor, Anatolia
 --1 has members: Trojan, Dardan, Dardanian
- ilium - the upper and widest of the three bones making up the hipbone
 --2 is a kind of bone, os
 --2 is a part of pelvis, pelvic girdle, pelvic arch, hip
 --2 has parts: iliac artery, arteria iliaca