A large mound of dirt and sand built by ants as their home, where thousands of ants live and work together.
From Old English 'æmete' (ant) combined with 'hill.' The word has been in English for over 1,000 years, originally describing the physical structure ants create by excavating soil.
An anthill is basically an underground city—ants can move over 50 times their body weight of soil to build these structures, and a single colony can contain millions of individuals working without a boss or manager.
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