n. 跖骨

[医] 跖, 跗基节

[ noun ]
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
<noun.body>

Metatarsus \Met`a*tar"sus\, n.; pl. {Metatarsi}. [NL. See
{Meta-}, and {Tarsus}.] (Anat.)
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.