Definitions of sole:

• noun:   right-eyed flatfish; many are valued as food; most common in warm seas especially European
• noun:   the underside of footwear or a golfclub
• noun:   the underside of the foot
• noun:   lean flesh of any of several flatfish
• verb:   put a new sole on

  Example: "Sole the shoes"

• name:  A surname (very rare: popularity rank in the U.S.: #23374)