We found 19 dictionaries that define the word Siamese twins:

General (11 matching dictionaries)

1. Siamese twins: Merriam-Webster
2. Siamese twins: Collins English Dictionary
3. Siamese twins: Vocabulary.com
4. Siamese twins: Cambridge Advanced Learner's Dictionary
5. Siamese twins: Wiktionary
6. Siamese twins: The Wordsmyth English Dictionary-Thesaurus
7. Siamese twins: Infoplease Dictionary
8. siamese twins: Dictionary.com
9. Siamese Twins, Siamese twins (English language), Siamese twins (disambiguation), Siamese twins (linguistics), Siamese twins: Wikipedia, the Free Encyclopedia
10. Siamese twins: AllWords.com Multi-Lingual Dictionary
11. Siamese twins: TheFreeDictionary.com

Business (1 matching dictionary)

12. Siamese twins: Legal dictionary

Computing (1 matching dictionary)

13. Siamese twins: Encyclopedia

Medicine (4 matching dictionaries)

14. Dorland's Illustrated Medical Dictionary (No longer online)
15. Probert Encyclopaedia of Medicine (No longer online)
16. Specific Diseases/Disorders (No longer online)
17. Siamese twins (disambiguation), Siamese twins: Medical dictionary

Slang (2 matching dictionaries)

18. Siamese twins: Green’s Dictionary of Slang
19. siamese twins: Urban Dictionary

(Note: See siamese_twin as well.)

Definitions from Wiktionary (Siamese Twins) ▸ noun:  (astronomy) A galaxy pair in Virgo, Virgo Cluster Similar: conjoined twin, Siamese, twinsome, double star system, double star, twinling, binary star system, autosite, xiphopagus, binary, more... ▸ Words similar to Siamese twins ▸ Usage examples for Siamese twins ▸ Idioms related to Siamese twins ▸ Wikipedia articles (New!) ▸ Words that often appear near Siamese twins ▸ Rhymes of Siamese twins ▸ Invented words related to Siamese twins