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Gain an advantage over unexpectedly or secretly, as in Macy's stole a march on their rival department store with their Thanksgiving Day parade. This metaphoric expression comes from medieval warfare, where a march was the distance an army could travel in a day. By quietly marching at night, a force could surprise and overtake the enemy at daybreak. Its figurative use dates from the second half of the 1700s.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
