Definition of "stallion" [stal•lion]

• An adult male horse that has not been castrated, especially one kept for breeding. (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.

• "Nevertheless, as Mr. Slocum put it: Twenty-five thousand dollars for a mere work-horse stallion is a madness."
• "Whatever purity existed was lost the minute the votes started getting counted and anyone who thinks that Obama can win this riding the white stallion is drinking some serious Kool-Aid."
• "A noble Arab stallion is supposed to fight for his rider and to wake him at night if he see any sign of danger."