We found 33 dictionaries that define the word crustacean:

General (25 matching dictionaries)

1. crustacean: Merriam-Webster
2. crustacean: Oxford Learner's Dictionaries
3. crustacean: American Heritage Dictionary of the English Language
4. crustacean: Collins English Dictionary
5. crustacean: Vocabulary.com
6. Crustacean, crustacean: Wordnik
7. crustacean: Cambridge Advanced Learner's Dictionary
8. crustacean: Wiktionary
9. crustacean: Webster's New World College Dictionary, 4th Ed.
10. crustacean: The Wordsmyth English Dictionary-Thesaurus
11. crustacean: Infoplease Dictionary
12. crustacean: Dictionary.com
13. crustacean: Online Etymology Dictionary
14. crustacean: Cambridge Essential American English Dictionary
15. Crustacean: Wikipedia, the Free Encyclopedia
16. Crustacean: Online Plain Text English Dictionary
17. crustacean: Webster's Revised Unabridged, 1913 Edition
18. crustacean: Rhymezone
19. Crustacean: AllWords.com Multi-Lingual Dictionary
20. crustacean: FreeDictionary.org
21. crustacean: Mnemonic Dictionary
22. crustacean: TheFreeDictionary.com
23. crustacean: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

24. crustacean: Linda's Culinary Dictionary

Computing (1 matching dictionary)

25. crustacean: Encyclopedia

Medicine (3 matching dictionaries)

26. crustacean: Merriam-Webster Medical Dictionary
27. online medical dictionary (No longer online)
28. crustacean: Medical dictionary

Science (1 matching dictionary)

29. crustacean: Evolution Glossary

Slang (1 matching dictionary)

30. crustacean: Urban Dictionary

Tech (1 matching dictionary)

31. Lake and Water Word Glossary (No longer online)

(Note: See crustaceans as well.)

Definitions from Wiktionary ( ) ▸ noun:  Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods. Similar: Decapod, crustaceology, pancrustacean, crust, anomopod, crayfish, crab, amphipod, phyllocarid, mud lobster, more... Opposite: mollusk Types: shrimp, lobster, crab, crawfish, prawn, more... Phrases: decapod crustacean, copepod crustacean, stomatopod crustacean, malacostracan crustacean, branchiopod crustacean, more... Adjectives: small, little, marine, freshwater, like, large, minute, tiny, parasitic, water, typical Colors:     coral,     salmon,     ocean blue,     algae green, more... ▸ Word origin ▸ Words similar to crustacean ▸ Usage examples for crustacean ▸ Idioms related to crustacean ▸ Wikipedia articles (New!) ▸ Popular adjectives describing crustacean ▸ Words that often appear near crustacean ▸ Rhymes of crustacean ▸ Invented words related to crustacean