ˈtrilēəm noun
Etymology: New Latin, from tri- + -illium (as in cillium, verticillium )
1.
a. capitalized : a genus of chiefly No. American herbs (family Liliaceae) having short rootstocks and an erect stem bearing a whorl of three leaves and a large solitary flower at the summit with a corolla that is white, pink, purple, yellow, or greenish and is followed by a many-seeded berry — see wake-robin
b. -s : any plant of the genus Trillium
2. -s : the dried rhizome of purple trillium formerly used as an astringent and tonic
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