We found 15 dictionaries that define the word usw:

General (10 matching dictionaries)

1. USW, USW: Merriam-Webster
2. USW: Collins English Dictionary
3. usw: Wordnik
4. USW: Wiktionary
5. usw: Webster's New World College Dictionary, 4th Ed.
6. USW: Infoplease Dictionary
7. USW, u.s.w, usw, usw: Dictionary.com
8. USW, Usw: Wikipedia, the Free Encyclopedia
9. USW, usw: Stammtisch Beau Fleuve Acronyms
10. USW: TheFreeDictionary.com

Computing (1 matching dictionary)

11. USW: Encyclopedia

Miscellaneous (2 matching dictionaries)

12. USW: Acronym Finder
13. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

14. USW: Urban Dictionary

Tech (1 matching dictionary)

15. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (USW) ▸ noun:  (Canada, US, trade unionism) Initialism of United Steelworkers. Similar: hea, bf, Af, sop, rdf, tr, pos, wireless network, bush telegraph, phone tag, more... Phrases: usw uswc, more... ▸ Words similar to usw ▸ Usage examples for usw ▸ Idioms related to usw ▸ Wikipedia articles (New!) ▸ Popular adjectives describing usw ▸ Words that often appear near usw ▸ Rhymes of usw ▸ Invented words related to usw