a. 脚底的, 跖的

[医] 足底的, 跖的

[ adj ]
relating to or occurring on the undersurface of the foot
<adj.pert>
plantar warts can be very painful

Plantar \Plan"tar\, a. [L. plantaris, fr. planta the sole of the
foot.] (Anat.)
Of or pertaining to the sole of the foot; as, the plantar
arteries.