We found 16 dictionaries that define the word arthropods:

General (9 matching dictionaries)

1. arthropods: Merriam-Webster
2. arthropods: Collins English Dictionary
3. arthropods: Vocabulary.com
4. Arthropods, arthropods: Wordnik
5. arthropods: Cambridge Advanced Learner's Dictionary
6. arthropods: Wiktionary
7. arthropods: Dictionary.com
8. Arthropods: Wikipedia, the Free Encyclopedia
9. Arthropods: TheFreeDictionary.com

Computing (1 matching dictionary)

10. Arthropods: Encyclopedia

Medicine (2 matching dictionaries)

11. Medical Dictionary (No longer online)
12. Arthropods: Medical dictionary

Science (2 matching dictionaries)

13. Glossary of Entomology (No longer online)
14. Biodiversity (No longer online)

Sports (1 matching dictionary)

15. CAVE AND KARST TERMINOLOGY (No longer online)

Tech (1 matching dictionary)

16. Dairy Glossary (No longer online)

(Note: See arthropod as well.)

Definitions from Wiktionary (arthropod) ▸ noun:  An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages. ▸ Also see arthropod Types: crab, lobster, scorpion, tick, mite, centipede, millipede, spider, more... Adjectives: other, terrestrial, many, smaller, various, certain, aquatic, beneficial, parasitic, marine, primitive ▸ Words similar to arthropods ▸ Usage examples for arthropods ▸ Idioms related to arthropods ▸ Wikipedia articles (New!) ▸ Popular adjectives describing arthropods ▸ Words that often appear near arthropods ▸ Rhymes of arthropods ▸ Invented words related to arthropods