蹄てい叉さMeanings1nounfrog (of a horse's hoof); fourchetteVeterinary/anatomical term for the V-shaped pad on the underside of a horse's hoof that helps absorb shock.蹄てい叉さは蹄ひづめの衝しょう撃げき吸きゅう収しゅうに重じゅう要ような役やく割わりを果はたす。The frog plays an important role in absorbing shock in the hoof.