We found 18 dictionaries that define the word whos:

General (14 matching dictionaries)

1. who's, whos: Merriam-Webster
2. who's: Oxford Learner's Dictionaries
3. who's: American Heritage Dictionary of the English Language
4. who's, who's: Collins English Dictionary
5. WHOS: Vocabulary.com
6. Who's, Whos, Whos, who's, whos, whos, whos: Wordnik
7. who's, whos: Cambridge Advanced Learner's Dictionary
8. who's, whos: Wiktionary
9. who's: Webster's New World College Dictionary, 4th Ed.
10. who's: The Wordsmyth English Dictionary-Thesaurus
11. who's: Infoplease Dictionary
12. whos: Dictionary.com
13. WHOS: Wikipedia, the Free Encyclopedia
14. who's: TheFreeDictionary.com

Medicine (1 matching dictionary)

15. who's: Sound Alike Words

Miscellaneous (2 matching dictionaries)

16. Sound-Alike Words (No longer online)
17. WHOS: Acronym Finder

Slang (1 matching dictionary)

18. The Whos, who's: Urban Dictionary

(Note: See who as well.)

Definitions from Wikipedia (WHOS) ▸ noun:  a radio station licensed to serve Decatur, Alabama, United States. Types: who, whose, whom, more... Phrases: whos who, look whos talking, like the cat whos stolen the cream, who's whos, whos whos, more... Adjectives: many, different, alternative, other, multiple ▸ Words similar to whos ▸ Usage examples for whos ▸ Idioms related to whos ▸ Wikipedia articles (New!) ▸ Popular adjectives describing whos ▸ Words that often appear near whos ▸ Rhymes of whos ▸ Invented words related to whos