Definition of trillium in English:

trillium

noun

  • A plant with a solitary three-petalled flower above a whorl of three leaves, native to North America and Asia.

    • ‘Another notable treat you will find in the park is a spectacular array of wild flowers like the trillium, bloodroot and liverwort.’
    • ‘It was a tiny humming bird; he was sampling the vintages from a clump of daffodils, foxglove, trillium, and lady's slipper.’
    • ‘Underneath are Himalayan poppies Meconopsis, primulas and trilliums, many of them also collected from the wild.’
    • ‘The trillium, for instance, is a native plant often seen for sale.’
    • ‘Under the trees are beloved clumps of hellebores, erythroniums, and trilliums.’

Origin

Modern Latin, apparently an alteration of Swedish trilling triplet.

Pronunciation:

trillium

/ˈtrɪlɪəm/