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blood brother

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noun
a person's brother by birth.
a male person bound to another by ties of great friendship.
something usually associated with or thought to exist inseparably from another thing, quality, circumstance, etc.: Humility is often the blood brother of patience.
a male established in a close relationship with another male through the performance of a specific ritual, as the commingling of blood.
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Origin of blood brother

Middle English word dating back to 1350–1400

OTHER WORDS FROM blood brother

blood brotherhood, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use blood brother in a sentence

British Dictionary definitions for blood brother

blood brother

noun
a brother by birth
a man or boy who has sworn to treat another as his brother, often in a ceremony in which their blood is mingled
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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