We found 12 dictionaries that define the word threesomes:

General (10 matching dictionaries)

1. threesomes: Merriam-Webster
2. threesomes: Collins English Dictionary
3. threesomes: Vocabulary.com
4. Threesomes, threesomes: Wordnik
5. threesomes: Cambridge Advanced Learner's Dictionary
6. threesomes: Wiktionary
7. threesomes: Dictionary.com
8. threesomes: Cambridge Essential American English Dictionary
9. Threesomes: Wikipedia, the Free Encyclopedia
10. Threesomes: TheFreeDictionary.com

Computing (1 matching dictionary)

11. Threesomes: Encyclopedia

Slang (1 matching dictionary)

12. Threesomes: Urban Dictionary

(Note: See threesome as well.)

Definitions from Wiktionary (threesome) ▸ noun:  A group of three people or things. ▸ noun:  An instance of sexual activity involving three people. ▸ Also see threesome Opposite: singles, couples, pairs, duos ▸ Words similar to threesomes ▸ Usage examples for threesomes ▸ Idioms related to threesomes ▸ Wikipedia articles (New!) ▸ Popular adjectives describing threesomes ▸ Words that often appear near threesomes ▸ Rhymes of threesomes ▸ Invented words related to threesomes