plural noun

in some classifications
: a small family of herbs (order Liliales) that have perennial rootstocks, entire leaves variously arranged, and often showy flowers of 3 petals and 3 sepals with 6 stamens followed by a globose or 3-lobed berry, comprise the trilliums and closely related plants, and are usually included in the family Liliaceae

Word History


New Latin, from Trillium, type genus + -aceae

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Dictionary Entries Near Trilliaceae

Cite this Entry

“Trilliaceae.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

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