Metacarpals are the bones of the upper part of the foot, between the ankle (tarsals) and the toes (phalanges). 
Five long bones of the foot, running from the ankle to the toes.
Five cylindrical bones extending from the heel to the toes. ... (12 Dec 1998) ... 
The five long tubular bones of the foot between the tarsus and the phalanges.
Five bones in the foot extending from the heel (tarsus), to the toes. 
Metatarsals: Five cylindrical bones extending from the heel (the tarsus) to the toes. The metatarsals are numbered from the inside out, so the first metatarsal extends to the big toe.
Instep bones. In humans they remain distinct, but in birds they fuse with the distal tarsals (ankle bones) to form the tarsometatarsus, the long bone supporting the upper section of the foot.