Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An aquatic animal, such as a mollusk or crustacean, that has a shell or shell-like exoskeleton.
Century Dictionary and Cyclopedia
- n. An aquatic animal, not a fish, having a shell, and especially one which comes under popular notice as used for food or for ornament. Specifically
- n. A crustaceous animal, or crustacean, as a crab, lobster, shrimp, or prawn.
Wiktionary
- n. An aquatic invertebrate, such as a mollusc or crustacean, that has a shell.
GNU Webster's 1913
- n. Any aquatic animal whose external covering consists of a shell, either testaceous, as in oysters, clams, and other mollusks, or crustaceous, as in lobsters and crabs.
WordNet 3.0
- n. meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean)
- n. invertebrate having a soft unsegmented body usually enclosed in a shell
Examples
“The Health Department currently prohibits, and will continue to prohibit the sale of raw shellfish from a mobile food cart.”
“Domoic acid is produced by the diatom Nitzschia pungens and has been isolated in shellfish from Prince Edward Island, Canada. 10 This toxin is responsible for amnestic shellfish poisoning (ASP) in humans causing symptoms of gastroenteritis and neurotoxicity.”
“They will be pouring Jamesport Wines and a variety of shellfish from the Peconic Bay will be available for purchase.”
“I guess if you asked me what I would not order, not that I do not enjoy the diversion of flavors but I guess that a pairing of Fino Amontillado Sherry and shellfish is not my preference.”
“Cocktails are a bit more, but the shellfish is fresh.”
“Local shellfish is the ideal match for this fine example of Long Island sauvignon.”
“Know as the "Land of the Seven Moles," Oaxaca is blessed with an abundance of vegetables grown in the central valley; fish and shellfish from the southern coast and Isthmus regions; and a year-round supply of tropical fruit from the lush area bordering Veracruz.”
“Vibrio vulnificus and other gastrointestinal organisms found in shellfish and some fish caught in the Gulf of Mexico.”
Boing Boing: September 4, 2005 - September 10, 2005 Archives
“A friend of mine feels that, even though eating shellfish is an abomination (Lev. 11: 10), it is a lesser abomination than homosexuality.”
Think Progress » Frist and Torture: What Did He Know and When Did He Know It?
“Especially when it comes out “Gloria in shellfish mayo.””
Lists
‘shellfish’ hasn't been added to any lists yet.

she I'm allergic to shellfish. :< Jul 11, 2008
dontcry I wish more people were allergic to selfish than to shellfish. Jul 11, 2008
she The word to use if you'd like to call someone selfish as cutely as possible. Jul 11, 2008