- any of various plants of the genus Eryngium, especially E. yuccifolium, having spiny leaves and dense, rounded flower heads.
- any of several other plants, especially of the genus Liatris.
Origin of rattlesnake master
An Americanism dating back to 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018