noun: mole; plural noun: moles; noun: European mole; plural noun: European moles
a small burrowing mammal with dark velvety fur, a long muzzle, and very small eyes, feeding mainly on worms, grubs, and other invertebrates.
“moles have burrowed under the lawn”
synonyms: dialectmouldwarp, mouldywarp,
a spy who gradually achieves an important position within the security defences of a country.
“a well-placed mole was feeding them the names of operatives”