琉りゅう球きゅう畳たたみMeaningsNoun1. Ryūkyū tatami; sturdy and durable tatami that has a facing weaved from Shichito matgrassKanji used琉lapis lazuli球sphere畳tatami matComposed of琉りゅう球きゅうRyukyu; chain of southwestern Japanese islands comprising Okinawa PrefectureNoun畳たたみtatami mat; Japanese straw floor coveringsNoun