tril·​li·​um | \ ˈtri-lē-əm How to pronounce trillium (audio) \

Definition of trillium

: any of a genus (Trillium) of herbs of the lily family with an erect stem bearing a whorl of three leaves and a solitary typically spring-blooming flower

Illustration of trillium

Illustration of trillium

Examples of trillium in a Sentence

Recent Examples on the Web These include the superb yellow trillium (T. luteum) and the Mississippi River wakerobin (T. foetidissimum). Washington Post, 12 May 2021 Whole books have been written about trillium, the distinctive ephemeral beloved for its tripartite leaves and blooms. Washington Post, 12 May 2021 Portlanders can find trillium flowers blooming at Forest Park and Tryon Creek. oregonlive, 15 Apr. 2021 The reserve has a one-way, two-mile loop trail that runs through 23 different plant areas, including the early spring blooms of witch hazel, gooseberry and western trillium. Cameron Walker, New York Times, 20 Mar. 2021 This spring, make sure to stop by the Trillium Trail, where beautiful trillium flowers bloom. oregonlive, 17 Mar. 2021 In early spring, discover the Ruth Pennington Trillium Trail, where small trillium flowers always bloom. oregonlive, 27 Feb. 2021 Lovers of native flowers may already be familiar with some of the selections, including various trillium species, Virginia bluebell, wild ginger, cardinal flower, lobelia, bloodroot, blue and black cohosh, blazing star and Allegheny spurge. Chris M. Worrell, cleveland, 13 Jan. 2021 Plants in their yard include bee balm, phlox, delphinium, coneflowers, Japanese maples, five different kinds of hydrangeas, liatris, cup plant, European ginger, hostas, trillium, a couple hundred ferns, Jack in the pulpit and ligularia. Joanne Kempinger Demski, Milwaukee Journal Sentinel, 8 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trillium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of trillium

circa 1760, in the meaning defined above

History and Etymology for trillium

New Latin, from Swedish trilling triplet; from its three leaves

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Time Traveler for trillium

Time Traveler

The first known use of trillium was circa 1760

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Statistics for trillium

Last Updated

6 Jun 2021

Cite this Entry

“Trillium.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2021.

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More Definitions for trillium


tril·​li·​um | \ ˈtri-lē-əm How to pronounce trillium (audio) \

Kids Definition of trillium

: a plant related to the lilies that has three leaves and a single flower with three petals and that blooms in the spring

More from Merriam-Webster on trillium Encyclopedia article about trillium


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