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
Examples of crustacean in a Sentence
Recent Examples on the Web
The shrimp cocktail at the comically exclusive Polo Bar in Manhattan is an imposing specimen, the crustaceans arriving tightly shingled on a steeple of ice accented by a celery spire.
—
Tanya Sichynsky, New York Times, 25 Feb. 2025
The freshwater crustacean is indigenous to the rivers of northern Australia and parts of Papua New Guinea.
—Karissa Waddick, USA TODAY, 25 Feb. 2025
Laura Porter, owner of the pet crustacean, announced the news of Howie's death on Instagram in a post paired with a lengthy tribute to her beloved animal.
—Skyler Caruso, People.com, 20 Feb. 2025
The nine main food allergens in the U.S. are milk, eggs, fish, wheat, soybeans, crustacean shellfish, tree nuts, peanuts and sesame.
—Dan Perry, Newsweek, 19 Feb. 2025
See All Example Sentences for crustacean
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Tanya Sichynsky, New York Times, 25 Feb. 2025
The freshwater crustacean is indigenous to the rivers of northern Australia and parts of Papua New Guinea.
—Karissa Waddick, USA TODAY, 25 Feb. 2025
Laura Porter, owner of the pet crustacean, announced the news of Howie's death on Instagram in a post paired with a lengthy tribute to her beloved animal.
—Skyler Caruso, People.com, 20 Feb. 2025
The nine main food allergens in the U.S. are milk, eggs, fish, wheat, soybeans, crustacean shellfish, tree nuts, peanuts and sesame.
—Dan Perry, Newsweek, 19 Feb. 2025
See All Example Sentences for crustacean
Articles Related to crustacean
Cite this Entry
“Crustacean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crustacean. Accessed 12 Mar. 2025.
Copy CitationKids Definition
crustacean
noun
crus·ta·cean
ˌkrəs-ˈtā-shən
: any of a large class of mostly water-dwelling arthropods (as lobsters, shrimps, crabs, wood lice, water fleas, and barnacles) having an exoskeleton of chitin or chitin and a compound of calcium
crustacean
adjective
Love words? Need even more definitions?
Merriam-Webster unabridged
Share