mole

noun

1. 1

   small velvety-furred burrowing mammal having small eyes and fossorial forefeet

2. 2

   a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away

3. 3

   a small congenital pigmented spot on the skin

4. 4

   spicy sauce often containing chocolate

5. 5

   a spy who works against enemy espionage

6. 6

   the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites