名詞 ilium:

1. an ancient city in Asia Minor that was the site of the Trojan War
   同義詞：Troy, Ilion
2. the upper and widest of the three bones making up the hipbone

il.i.um

n.（名詞）
【復數(shù)】 il.i.a[-ô-…]
The uppermost and widest of the three bones constituting either of the lateral halves of the pelvis.
髂骨：形成骨盆側面的三塊骨頭中最上面和最寬的那塊

來源：
Late Latin olium [groin, flank]
后期拉丁語 olium [腹股溝，脅腹]
variant of Latin olia
拉丁語 olia的變體

【引伸】
il.iac.