Definition of "blue blood" []

• Noble or aristocratic descent. (noun)
• A member of the aristocracy. (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.

• "Kevin Michaels was my blue blood brother, sharing my hope for October Yankee glory."
• "Had I been drawing on the imaginative resources of the writers of romantic fiction -- and therefore naturally straining for dramatic effects, instead of chronicling the somewhat romantic happenings of my life as a slave, I should have closed with the preceding chapter, leaving the reader to wonder which the baby was -- blue blood or mongrel, magnolia-white or mahogany-brown, but such is not my purpose."
• "Fisher, a shining eccentric of sixty-six, was First Sea Lord and at the height of his power; Churchill, although a blue blood and the maverick grandson of a duke, was then merely the thirty-two-year-old under secretary for the colonies."