What is "entelodont"

n. Any of several extinct pig-like omnivores, of the family ''Entelodontidae'', from the Eocene and Miocene epochs

Entelodonts — sometimes facetiously termed hell pigs or terminator pigs — are an extinct family of pig-like omnivores of the forests and plains of North America, Europe, and Asia from the middle Eocene to early Miocene epochs (37.2—16.3 million years ago), existing for about 21 million years.