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horse balm

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

Origin of horse balm

An Americanism dating back to 1780–90
Also called horseweed, richweed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for horse balm

Historical Examples

  • Only a few days since, while out on a drive, I passed a luxuriant clump of the plant known as "horse-balm."

    My Studio Neighbors

    William Hamilton Gibson

  • Horse-balm (Collinsonia), its singular shape, 136;manner of bee's approach to, 138.

    My Studio Neighbors

    William Hamilton Gibson