Definition 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 golf club
noun: the underside of the foot
noun: lean flesh of any of several flatfish
verb: put a new sole on
"Sole the shoes."
adjective: not divided or shared with others
"Sole rights of publication."
adjective: being the only one; single and isolated from others
"The sole heir."