We found 18 dictionaries that define the word no-see-um:

General (14 matching dictionaries)

1. no-see-um: Merriam-Webster
2. no-see-um: Oxford Learner's Dictionaries
3. no-see-um: American Heritage Dictionary of the English Language
4. no-see-um: Vocabulary.com
5. no-see-um: Wordnik
6. no-see-um: Wiktionary
7. no-see-um: Webster's New World College Dictionary, 4th Ed.
8. no-see-um: Infoplease Dictionary
9. no-see-um: Dictionary.com
10. No-see-um: Wikipedia, the Free Encyclopedia
11. no-see-um: Rhymezone
12. no-see-um: FreeDictionary.org
13. no-see-um: Mnemonic Dictionary
14. no-see-um: TheFreeDictionary.com

Computing (1 matching dictionary)

15. no-see-um: Encyclopedia

Medicine (1 matching dictionary)

16. no-see-um: Medical dictionary

Slang (2 matching dictionaries)

17. no-see-um: Green’s Dictionary of Slang
18. no-see-um: Urban Dictionary

(Note: See no-see-ums as well.)

Definitions from WordNet (no-see-um) ▸ noun:  minute two-winged insect that sucks the blood of mammals and birds and other insects Similar: biting midge, punkie, punkey, punky, noseeum, hayhenny, sandfly, non-biting midge, midge, nemestrinid, more... Opposite: visible, noticeable, apparent, observable ▸ Words similar to no-see-um ▸ Usage examples for no-see-um ▸ Idioms related to no-see-um ▸ Wikipedia articles (New!) ▸ Popular adjectives describing no-see-um ▸ Words that often appear near no-see-um ▸ Rhymes of no-see-um ▸ Invented words related to no-see-um