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Definition of trillium

trillium

/ˈtrɪl.i.əm/
tril · li · um
Plural:trilliums
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trillium Lexical Profile

trillium Game Scores & Validity

• noun

1

Any of various perennial woodland plants of the genus Trillium (family Melanthiaceae), native to temperate regions of North America and Asia, characterized by a distinct whorl of three leaves and a solitary three-petaled spring flower.

Example

"During our spring hike in the Appalachian Mountains, we spotted a beautiful white trillium blooming in the shaded forest understory."

Synonyms
View all synonyms for trillium

• Rhymes for trillium

• Nearby Words

triggerfish
triglav
triller
trillium
trilobite
trim
trimix

Word Origin & Etymology

Coined in Modern Latin by Carl Linnaeus in 1753, derived from the Latin prefix 'tri-' (three) and modeled on 'lilium' (lily), directly referencing the plant's characteristic three leaves, three petals, and three sepals.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Trillium. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/trillium
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