Part of speech: noun1 a small animal with dark grey fur, that is almost blind and digs tunnels under the ground to live in
seealsoMOLEHILL
2 a small dark brown mark on the skin, sometimes slightly higher than the skin around it
compareFRECKLE
3 a person who works within an organization and secretly passes important information to another organization or country
4 (chemistry) a unit for measuring the amount of a substance
