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n. The middle part of the human foot that forms the instep and includes the five bones between the toes and the ankle.

n. The corresponding part of the hind foot in quadrupeds or of the foot in birds.

n. The part of the foot between the toes and the ankle, especially its five bones.

n. That part of the skeleton of the hind or lower limb between the tarsus and phalanges; metatarse. It consists, in the human foot, of five bones. See Illustration in Appendix.

n. The middle segment of the three of which the foot, or third division of the hind limb, consists, considered with special reference to its bony structure.

n. In entomology: The first one of the joints of the tarsus, when it is large or otherwise distinguished from the rest, which are then called collectively the dactylus.

n. With some authors, the hind foot; the entire tarsus of each hind leg; each of the third pair of tarsi.

n. The sixth joint of a spider's leg, being the first of the two which form the foot.

n. the skeleton of the human foot between the toes and the tarsus; the corresponding part of the foot in birds or of the hind foot in quadrupeds

"If the proximal end of the metatarsus were broken off (and this bit is the giveaway, as it of course shows the presence of tarsals charactestically mammalian in form and number), I suspect that even some experienced zoologists would be fooled into misidentifying a jerboa metatarsus as an avian one."

skeletal structure   

flexor metatarsi    bone   

metatarsi   

carpus    fibula    ulna    patella    exostosis