mole

Definition
(noun) the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites Definition
(noun) a spy who works against enemy espionage Definition
(noun) spicy sauce often containing chocolate Definition
(noun) a small congenital pigmented spot on the skin Definition
(noun) a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away Definition
(noun) small velvety-furred burrowing mammal having small eyes and fossorial forefeet