Quick Quiz: Nouns Score: Change category, Flip order Reset Correct! Noun: horse mackerel Your choice? largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics large marine arthropod of the American Atlantic coast having a domed horseshoe-shaped carapace and stiff pointed tail; a living fossil related to the wood louse a vast multitude a building where travelers can pay for lodging and meals and other services