noun

mole

mole (animal), mole (on skin), spy, mole (unit of substance)

A mole dug a tunnel in the garden.

A mole dug a tunnel in the garden.

She has a small mole on her cheek.

She has a small mole on her cheek.

They discovered a mole in the agency.

They discovered a mole in the agency.

((a/the)) mole an animal that burrows A mole dug a tunnel in the garden.

((a/the)) mole a mark on the skin She has a small mole on her cheek.

((a/the)) mole a spy within an organization They discovered a mole in the agency.

Animal: shrew, vole; Skin mark: birthmark, blemish; Spy: agent, informant

Animal: from Middle English `molle`. Skin mark: from Old English `māl` 'spot'. Spy: from the animal's burrowing habits.

Imagine a spy (mole) with a distinctive mole (skin mark) who lives underground like a mole (animal).

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