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running mate

American  

noun

  1. a candidate for an office linked with another and more important office, as for the vice-presidency.

  2. a horse entered in a race in which another, more important, horse from the same stable, or belonging to the same owner, is run.

  3. a close companion.


running mate British  

noun

  1. a candidate for the subordinate of two linked positions, esp a candidate for the vice-presidency

  2. a horse that pairs another in a team

"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 running mate

An Americanism dating back to 1865–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This novel about two imperfect yet soulful men, their destinies joined, found a surprising, poetic resonance in the real-life struggle between former running mates.

From The Wall Street Journal

In a different world, he suggested, Gabbard might have been Sanders’ running mate.

From Los Angeles Times

Plainly the protests complicated Kamala Harris’s task of finding a running mate.

From The Wall Street Journal

His running mate for deputy leader, Diana Armstrong, said she was backing him because the party needed "fresh thinking".

From BBC

Unlike presidential elections, statewide contests do not feature running mates; each candidate must be elected on their own merits.

From Los Angeles Times