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blood orange

American  

noun

  1. any of various sweet oranges having a dark-red pulp.


blood orange British  

noun

  1. a variety of orange all or part of the pulp of which is dark red when ripe

"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

Etymology

Origin of blood orange

First recorded in 1850–55