We found 10 dictionaries that define the word fraternal twins:

General (3 matching dictionaries)

1. fraternal twins: Vocabulary.com
2. fraternal twins: Dictionary.com
3. Fraternal Twins, Fraternal twins: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

4. fraternal twins: Encyclopedia

Medicine (5 matching dictionaries)

5. Dorland's Illustrated Medical Dictionary (No longer online)
6. Johnson Bwby (No longer online)
7. online medical dictionary (No longer online)
8. fraternal twins: Medical dictionary
9. Hyperdictionary (No longer online)

Slang (1 matching dictionary)

10. fraternal twins: Urban Dictionary

(Note: See fraternal_twin as well.)

Definitions from WordNet (fraternal twin) ▸ noun:  either of two twins who developed from two separate fertilized eggs ▸ Also see fraternal_twin Opposite: identical twins, non-twin siblings, non-identical twins ▸ Words similar to fraternal twins ▸ Usage examples for fraternal twins ▸ Idioms related to fraternal twins ▸ Wikipedia articles (New!) ▸ Words that often appear near fraternal twins ▸ Rhymes of fraternal twins ▸ Invented words related to fraternal twins