crustacean

/kɹʌsˈteɪʃən/

crustacean noun: any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice.

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Noun

crustacean (plural crustaceans)

Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice.
Any arthropod of the clade Pancrustacea, which includes hexapods in addition to traditional crustaceans.

Adjective

crustacean (comparative more crustacean, superlative most crustacean)

Of, relating to, or characteristic of the subphylum Crustacea.
- In cooperation with the Bureau of Fisheries he made several motion pictures of crustacean life.1940 March 22, “DR. BUCHANAN DIES NOTED ANESTHETIST; […]”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 04 Jan 2026
- It is feared that any major change in its chemistry will render many of these species extinct. Likewise, if the temperature is raised by factory discharge, predators now kept out of the lake by its frigidity will invade and annihilate many of the hundreds of crustacean varieties peculiar to its...1967 July 2, Walter Sullivan, “Science; Threat to the Treasures of the World's Oldest Lake”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the...
Synonyms:

crustaceal

crustacean meaning in Hindi, Tamil, Gujarati and Persian

crustacean in Hindi

arthropod of the subphylum Crustacea: कठिनी kaṭhinī

crustacean in Tamil

வெளி ஓடுடைய இனங்கள், கிரஸ்தேசியன், கிரத்தேசியா

crustacean in Gujarati

arthropod of the subphylum Crustacea: સકવચ sakvac

crustacean in Persian

arthropod of the subphylum Crustacea: سختپوست saxt-pust

Examples of crustacean in a sentence

The oyster is a sedentary mollusk; the barnacles are sedentary crustaceans.
"Chlorpyrifos is considered to be toxic to fish, crustaceans, and bees."
Triops and fairy shrimp are small crustaceans that can survive years lying dormant in drought conditions.

All 31 example sentences with crustacean

Synonyms of crustacean

crustaceal

Forms of crustacean

Noun
plural	crustaceans
Adjective
comparative	more crustacean
superlative	most crustacean

Plural of crustacean: crustaceans

Origin of crustacean

From taxonomic name Crustacea + -an.

Words formed from crustacean

Words that rhyme with crustacean

48 more rhymesFewer rhymes

Questions about crustacean

What does crustacean mean?: Crustacean means any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice.
What is crustacean in Hindi?: Crustacean in Hindi is कठिनी (kaṭhinī). See Crustacean meaning in Hindi.
What part of speech is crustacean?: Crustacean can be a noun or an adjective.
How do you pronounce crustacean?: Crustacean is pronounced /kɹʌsˈteɪʃən/.
What is the plural of crustacean?: The plural of crustacean is crustaceans.

Words near crustacean in the dictionary

Adapted from Wiktionary: crustacean (page history and authors); crustacean (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-crustacean.ogg.

Cite this entry: “crustacean.” Word.ws, https://word.ws/crustacean. Based on Wiktionary, CC BY-SA 4.0.