Relationship by blood or by a common ancestor.(noun)
A close affinity or connection.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "consanguinity" in a sentence
"The term consanguinity here means, within certain limitations defined by the law of nature, the positive law of God, or the supreme authority of State or Church, the blood-relationship (cognatio naturalis), or the natural bond between persons descended from the same stock."
"To blood ties, to civil relationship, a new consanguinity is added,"
"When an airline owns a hotel and the hotel offers frequent-flier miles, those should properly be called consanguinity miles."