蹄てい球きゅうていきゅうMeanings1nounbulb of the hoofAnatomical term referring to the soft, rounded part at the back of an animal's hoof, such as in horses or cattle.馬うまの蹄てい球きゅうに小ちいさな傷きずがあった。There was a small wound on the horse's hoof bulb.