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 Hike trails searching for trillium and lady slippers. Andrew Nelson, WSJ, 19 May 2022 In Waukesha, Linder said her blended gardens lean cottage style but also include a variety of woodland natives including wild geranium, mayapple, bloodroot, wild ginger and both red and white trillium. Jennifer Rude Klett, Milwaukee Journal Sentinel, 5 May 2022 Several storytelling, dance and music performances make the list this week, as does a trillium festival and a historic farming living history day. oregonlive, 30 Mar. 2022 Other spring flowers to look for include spring beauty, trillium, violets and wild geranium. Chelsey Lewis, Milwaukee Journal Sentinel, 28 Apr. 2022 COVID-19 lockdowns didn’t stop early spring trillium from blooming, but the annual festival celebrating the native flower took a two-year break. oregonlive, 30 Mar. 2022 Celebrate the return of the trillium with interactive learning stations, hikes focusing on native plants and displays on watershed education. oregonlive, 1 Apr. 2022 Phelps was thoroughly scientific about education — her botany text explains inflorescence, the classification of trillium, and the theory of metamorphoses of the organs of plants — but nature also inspired her. Washington Post, 27 Dec. 2021 This is Trillium ovatum, our native trillium with a flower that is borne on a stalk rather than right against the leaves. oregonlive, 15 Jan. 2022 See More

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.

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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Dictionary Entries Near trillium



trillium family

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Cite this Entry

“Trillium.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2022.

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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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