叉さ骨こつじ字FuriganaMeanings1nounfurcula; wishboneanatomy›Anatomical term for the forked bone found in birds and some other animals; commonly called the wishbone.鳥とりの叉さ骨こつは、左さ右ゆうの鎖さ骨こつが癒ゆ合ごうしてできている。The bird's furcula is formed by the fusion of the left and right clavicles.
