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."