X エックス Meanings Noun X (social networking service) Words containing X X線撮影 (エックスせんさつえい) x-ray photography X脚 (エックスきゃく) knock knees XO醤 (エックスオージャン) XO sauce (spicy seafood sauce used primarily in Cantonese cooking) And 44 more. Jinuma: Japanese Dictionary · Word lists