We found 25 dictionaries that define the word units:

General (11 matching dictionaries)

1. units: Merriam-Webster
2. units: Oxford Learner's Dictionaries
3. units: Collins English Dictionary
4. units: Vocabulary.com
5. Unit's, Units, unit's, units, units: Wordnik
6. units: Cambridge Advanced Learner's Dictionary
7. units: Wiktionary
8. units: Dictionary.com
9. units: Cambridge Essential American English Dictionary
10. The Units, Units (Unix), Units: Wikipedia, the Free Encyclopedia
11. Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units, Units: The Phrontistery - A Dictionary of Obscure Words

Art (1 matching dictionary)

12. The Organon: A Conceptually Indexed Dictionary (by Genus and Differentia) (No longer online)

Business (2 matching dictionaries)

13. Units: Legal dictionary
14. Units: Financial dictionary

Computing (1 matching dictionary)

15. Units: Encyclopedia

Medicine (3 matching dictionaries)

16. units: Merriam-Webster Medical Dictionary
17. online medical dictionary (No longer online)
18. Units: Medical dictionary

Miscellaneous (1 matching dictionary)

19. UNITS: Acronym Finder

Science (3 matching dictionaries)

20. Misunderstood Physics Terms (No longer online)
21. Units: Physic and Astronomy Glossary
22. Accelerator Glossary (No longer online)

Slang (2 matching dictionaries)

23. units: Green’s Dictionary of Slang
24. units: Urban Dictionary

Tech (1 matching dictionary)

25. Dictionary for Avionics (No longer online)

(Note: See unit as well.)

Definitions from Wikipedia (Units) ▸ noun:  an American synthpunk band that was founded in San Francisco in 1978. Opposite: multiples, wholes, totals, aggregates, collections Types: metric, imperial, US customary, UK customary, US survey, UK survey, more... Phrases: military units, family units, administrative units, motor units, political units, more... Adjectives: small, larger, local, individual, various, military, basic, separate, administrative, functional, industrial ▸ Words similar to units ▸ Usage examples for units ▸ Idioms related to units ▸ Wikipedia articles (New!) ▸ Popular adjectives describing units ▸ Words that often appear near units ▸ Rhymes of units ▸ Invented words related to units