plan·tar /ˈplæntɚ, ˈplænˌtɑr/ 形容詞
  跖肌
  Plan·tar a.  Anat. Of or pertaining to the sole of the foot; as, the plantar arteries.
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  plantar
       adj : relating to or occurring on the undersurface of the foot;
             "plantar warts can be very painful"