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
Recent Examples of trillium from the Web
After a 1-mile hike through a hardwood forest filled with trilliums in the summer, visitors reach an observation platform at the top of the falls.
The forest floor was alive with bursts of wildflowers: purple wild geraniums and violet shooting stars and red trilliums.
Trillium and Timothy lakes on Mount Hood are on this week's list.
The slope is retained by logs; rocks; steps; and plantings of ornamental grasses and ground covers like ferns, cyclamen, hepaticas and native trillium.
The flowers include red trillium, trailing arbutus and pink moccasin flower.
Sessile trillium, a spring ephemeral, is in bloom at Hubbard Valley Park in Seville on March 9, 2017.
Plant Delights’ trilliums are not inexpensive, their specimens ranging from $22 to $75 per plant.
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.
Origin and Etymology of trillium
New Latin, from Swedish trilling triplet; from its three leaves
First Known Use: circa 1760See Words from the same year
TRILLIUM Defined for Kids
Definition of trillium for Students
: a plant related to the lilies that has three leaves and a single flower with three petals and that blooms in the spring
Seen and Heard
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