n. 掌, 掌骨

[医] 掌

[ noun ]
the part of the hand between the carpus and phalanges
<noun.body>

Metacarpus \Met`a*car"pus\, n. [NL., fr. Gr. ?; ? beyond,
between + ? the wrist.] (Anat.)
That part of the skeleton of the hand or forefoot between the
carpus and phalanges. In man it consists of five bones. See
Illust. of {Artiodactyla}.