[ ahy-ern-weed ]

  1. any of certain North American composite plants of the genus Vernonia, having tubular, chiefly purple or red disk flowers.

Origin of ironweed

First recorded in 1810–20; iron + weed1

Words Nearby ironweed Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ironweed in a sentence

  • ironweed and joepye-weed are such lusty, vigorous plants, and burdock and jimson-weed.

    In the Open | Stanton Davis Kirkham