ilion iliolumbar vein • iliopectineal · · · Info · Definitions · Characters · · ilion · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) an ancient city in Asia Minor that was the site of the Trojan War. Synonyms: Troy, Ilion, Ilium. · · Noun Definition 1 Characters · · i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F