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
Origin of trillium
New Latin, from Swedish trilling triplet; from its three leaves
First Known Use: circa 1760
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
Learn More about trillium
Britannica.com: Encyclopedia article about "trillium"
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