エックスきゃく X脚 LinksSentence search for X脚Sentence search for エックスきゃくSentence search for エックス脚Kanji details for 脚Edit in JMdict Noun1. knock knees; knock-kneednessSee also O脚Other formsエックス脚 【エックスきゃく】 Discussions Log in to talk about this word.