blue blood

blue blood
blue-blooded, adj.
/blooh" blud'/ for 1; /blooh" blud"/ for 2
1. an aristocrat, noble, or member of a socially prominent family.
2. aristocratic, noble, or socially prominent lineage or relatives: They boasted a lineage of pure blue blood.
[1825-35; trans. of Sp sangre azul. See SANGUINE, AZURE]

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Universalium. 2010.