掌しょう骨こつしょうこつMeanings1nounmetacarpal bone; metacarpusrare termanatomy›Anatomical term for the bones of the palm. Rare in everyday language; the more common term is 中手骨 (ちゅうしゅこつ).See also: 中手骨掌しょう骨こつは手てのひらにある五
