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horse balm

American  

noun

  1. a lemon-scented plant, Collinsonia canadensis, of eastern North America, having small yellow flowers.

Etymology

Origin of horse balm

An Americanism dating back to 1780–90

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.