臼蓋 きゅうがい Meanings Noun acetabular roof Kanji 臼 mortar. Read as キュウ. 蓋 lid. Read as ガイ. Words containing 臼蓋 臼蓋形成不全 (きゅうがいけいせいふぜん) acetabular dysplasia 寛骨臼蓋 (かんこつきゅうがい) acetabular roof Jinuma: Japanese Dictionary · Word lists