crustacean
noun
crus·ta·cean ˌkrə-ˈstā-shən 
: any of a large class (Crustacea) of mostly aquatic mandibulate arthropods that have a chitinous or calcareous and chitinous exoskeleton, a pair of often much modified appendages on each segment, and two pairs of antennae and that include the lobsters, shrimp, crabs, wood lice, water fleas, and barnacles
crustacean adjective
Example Sentences
Recent Examples on the Web Cheddar, a rare orange lobster:Cheddar the crustacean almost became dinner. 
Natalie Neysa Alund, USA TODAY, 16 Aug. 2022 Father Mark Rand and son Luke Rand said the crustacean will not be eaten. Landon Mion, Fox News, 15 Aug. 2022 Steak Diane, Haim's cocktail-swilling, crustacean-loving alter ego. Taylore Glynn, Allure, 7 Aug. 2022 Schiaparelli’s lobster dress, which featured a painting of the crustacean by Salvador Dali on the silk skirt. Elise Taylor, Vogue, 14 July 2022 Plentiful, delicious Gulf gems such as shrimp, which serves as the state crustacean. Megha Mcswain, Chron, 20 May 2022 Where seafood is involved, the seas themselves are different, as are the denizens of those seas, whether fin fish, shellfish or crustacean. San Diego Union-Tribune, 27 Apr. 2022 This has put at risk a historic Alaska fishery that during two boom years in the early 1990s tallied more than 300 million pounds of the green-eyed crustacean with spindly legs, hauls even greater than the highest years of the king crab harvests. Anchorage Daily News, 4 Apr. 2022 The crustacean’s presence opens up many new questions. New York Times, 11 Mar. 2022 See More
Natalie Neysa Alund, USA TODAY, 16 Aug. 2022 Father Mark Rand and son Luke Rand said the crustacean will not be eaten. Landon Mion, Fox News, 15 Aug. 2022 Steak Diane, Haim's cocktail-swilling, crustacean-loving alter ego. Taylore Glynn, Allure, 7 Aug. 2022 Schiaparelli’s lobster dress, which featured a painting of the crustacean by Salvador Dali on the silk skirt. Elise Taylor, Vogue, 14 July 2022 Plentiful, delicious Gulf gems such as shrimp, which serves as the state crustacean. Megha Mcswain, Chron, 20 May 2022 Where seafood is involved, the seas themselves are different, as are the denizens of those seas, whether fin fish, shellfish or crustacean. San Diego Union-Tribune, 27 Apr. 2022 This has put at risk a historic Alaska fishery that during two boom years in the early 1990s tallied more than 300 million pounds of the green-eyed crustacean with spindly legs, hauls even greater than the highest years of the king crab harvests. Anchorage Daily News, 4 Apr. 2022 The crustacean’s presence opens up many new questions. New York Times, 11 Mar. 2022 See More Word History
First Known Use
1835, in the meaning defined above
Kids Definition
crustacean
noun
crus·ta·cean ˌkrəs-ˈtā-shən
: any of a large group of mostly water animals (as crabs, lobsters, and shrimps) with a body made of segments, a tough outer shell, two pairs of antennae, and limbs that are jointed