We found 6 dictionaries that define the word no-see-ums:

General (4 matching dictionaries)

1. no-see-ums: Merriam-Webster
2. no-see-ums: Wiktionary
3. no-see-ums: Dictionary.com
4. No-see-ums: TheFreeDictionary.com

Computing (1 matching dictionary)

5. No-see-ums: Encyclopedia

Medicine (1 matching dictionary)

6. no-see-ums: Medical dictionary

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

Definitions from WordNet (no-see-um) ▸ noun:  minute two-winged insect that sucks the blood of mammals and birds and other insects ▸ Also see no-see-um ▸ Words similar to no-see-ums ▸ Usage examples for no-see-ums ▸ Idioms related to no-see-ums ▸ Wikipedia articles (New!) ▸ Popular adjectives describing no-see-ums ▸ Words that often appear near no-see-ums ▸ Rhymes of no-see-ums ▸ Invented words related to no-see-ums