O脚おーきゃくオーきゃくじ字FuriganaMeanings1nounbow legs; bow-leggednessRefers to a condition where the legs curve outward at the knees, resembling the letter O. Often contrasted with X脚 (knock knees).See also: X脚彼かれはO脚きゃくを矯きょう正せいするためにインソールを使つかっている。He uses insoles to correct his bow legs.