hippopotamus
US /ˌhɪp.əˈpɑː.t̬ə.məs/
UK /ˌhɪp.əˈpɑː.t̬ə.məs/

1.
ippopotamo
a large, thick-skinned, plant-eating mammal, native to Africa, that has a broad muzzle and spends most of its time in water.
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The hippopotamus wallowed in the muddy river.
L'ippopotamo si rotolava nel fiume fangoso.
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A baby hippopotamus is called a calf.
Un ippopotamo cucciolo si chiama vitello.