Metacarpals are the bones of the palm, between the wrist (carpals) and the fingers (phalanges). 
Five long bones of the hand, running from the wrist to the fingers.
Five cylindrical bones extending from the wrist to the fingers. ... (12 Dec 1998) ... 
Five bones in the hand that extend from the wrist to the fingers. 
Metacarpals: Five cylindrical bones extending from the wrist to the fingers.
Palm bones. In humans they remain distinct, but in birds, they are fused with some of the carpals (wrist bones) to form the large carpometacarpus.
The five bones of the hand that extend from the wrist to the fingers.