Word.ws English Dictionary

Plural of crustacean

regular plural

The plural of crustacean is crustaceans.

Forms of crustacean

Singularcrustacean /kɹʌsˈteɪʃən/
Pluralcrustaceans
Countablecountable

Crustaceans in a sentence

  • The oyster is a sedentary mollusk; the barnacles are sedentary crustaceans.From the entry sedentary
  • "Chlorpyrifos is considered to be toxic to fish, crustaceans, and bees."From the entry chlorpyrifos
  • Triops and fairy shrimp are small crustaceans that can survive years lying dormant in drought conditions.2023 September 5, Amelia Neath, “Three-eyed ‘dinosaur shrimp’ are waking up in the desert after Burning Man washout”, in The Independent. From the entry fairy shrimp
  • Settling in the hindgut of crustaceans by these organisms is possible only during the intermolt period.2018, L.V. Pavlova, “First Finding of Representatives of the Eccrinida Order in the Digestive Tract of King Crab Specie from the Barents…. From the entry intermolt
  • The diversity of crustaceans testifies to a dramatic Lower Carboniferous eumalacostracan radiation.2015 December 24, “Enigmatic Fossils from the Lower Carboniferous Shrimp Bed, Granton, Scotland”, in PLOS ONE, →DOI. From the entry eumalacostracan

Meaning of crustacean

  1. noun Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice.
  2. noun Any arthropod of the clade Pancrustacea, which includes hexapods in addition to traditional crustaceans.
  3. adjective Of, relating to, or characteristic of the subphylum Crustacea.

Full definition of crustacean

Questions about the plural of crustacean

What is the plural of crustacean?
The plural of crustacean is crustaceans.
Is crustacean countable?
Crustacean is a countable noun.

Source and license

Adapted from Wiktionary: crustacean (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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