Shellfish

//ˈʃɛl.fɪʃ// noun

Definitions

Noun
  1. 1
    A fisheries and colloquial term for an aquatic invertebrate having an inner or outer shell, such as a mollusc or crustacean, especially when edible. countable, uncountable
  2. 2
    invertebrate having a soft unsegmented body usually enclosed in a shell wordnet
  3. 3
    A culinary and nutritional term for several groups of non-piscine, non-tetrapod, aquatic animals that are used as a food source. The term often exclusively refers to edible aquatic crustaceans, bivalve mollusks and cephalopod mollusks; but sometimes echinoderms may be included as well. countable, uncountable
  4. 4
    meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean) wordnet

Etymology

Inherited from Middle English schellefyssch, from Old English sċielfisċ. Equivalent to shell + fish.

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