Source : Webster's Revised Unabridged Dictionary (1913)

Sandal \San"dal\, n.
   Same as {Sendal}.

         Sails of silk and ropes of sandal.       --Longfellow.

Sandal \San"dal\, n.
   Sandalwood. ``Fans of sandal.'' --Tennyson.

Sandal \San"dal\, n. [F. sandale, L. sandalium, Gr. ?, dim. of
   ?, probably from Per. sandal.]
   (a) A kind of shoe consisting of a sole strapped to the foot;
       a protection for the foot, covering its lower surface,
       but not its upper.
   (b) A kind of slipper.
   (c) An overshoe with parallel openings across the instep.

Source : WordNet®

sandal
     n : a shoe consisting of a sole fastened by straps to the foot