We found 23 dictionaries that define the word blood relation:

General (20 matching dictionaries)

1. blood relation: Merriam-Webster
2. blood relation: Oxford Learner's Dictionaries
3. blood relation: American Heritage Dictionary of the English Language
4. blood relation: Collins English Dictionary
5. blood relation: Vocabulary.com
6. blood-relation, blood relation: Wordnik
7. blood relation: Cambridge Advanced Learner's Dictionary
8. blood relation: Wiktionary
9. blood relation: The Wordsmyth English Dictionary-Thesaurus
10. blood relation: Infoplease Dictionary
11. Blood relation, blood relation: Dictionary.com
12. Blood Relation (film), Blood Relation: Wikipedia, the Free Encyclopedia
13. blood relation: Rhymezone
14. Blood Relation: Dictionary of Phrase and Fable (1898)
15. blood relation: FreeDictionary.org
16. blood relation: Mnemonic Dictionary
17. blood relation: TheFreeDictionary.com
18. blood relation: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

19. blood relation: Legal dictionary

Computing (1 matching dictionary)

20. blood relation: Encyclopedia

Medicine (1 matching dictionary)

21. blood relation: Medical dictionary

(Note: See blood_relations as well.)

Definitions from Wiktionary (blood relation) ▸ noun:  A person who is relation through birth, as opposed to marriage or adoption. Similar: cognate, blood relative, sib, blood, kinship, consanguine, relative, relationship, consanguinity, kindred, more... Opposite: non-relative, stranger, unrelated, outsider ▸ Words similar to blood relation ▸ Usage examples for blood relation ▸ Idioms related to blood relation ▸ Wikipedia articles (New!) ▸ Words that often appear near blood relation ▸ Rhymes of blood relation ▸ Invented words related to blood relation