A particular steroid glycoside.

plural of trilling

Trillium sessile, native to the midwestern United States, with more isolated populations in nearby states.

Trillium luteum, native to the woodlands of the Great Smoky Mountains of the southeastern United States and adjoining areas.

Trillium grandiflorum, native to much of eastern North America.

Trillium undulatum, native to eastern temperate North America.

Trillium erectum, native to eastern, northeastern North America.

With a trilling sound.

plural of trilliant

A gemstone cut in a triangular shape.