noun
trillium of eastern North America having malodorous pink to purple flowers and an astringent root used in folk medicine especially to ease childbirth
• Syn: ↑red trillium, ↑birthroot, ↑Trillium erectum
• Hypernyms: ↑trillium, ↑wood lily, ↑wake-robin
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noun : a birthroot (Trillium erectum) of eastern No. America having pink to purple or rarely white ill-scented flowers and an astringent root sometimes used in folk medicine
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birthroot (def. 1).
[1930-35]
Useful english dictionary. 2012.