King crab
WordNet
noun
(1) Large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse
(2) Large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan
(3) A large spider crab of Europe
(4) Meat of large cold-water crab; mainly leg meat