Noun has 2 senses

• red trillium(n = noun.plant) sessile trillium, toadshade, trillium sessile - trillium of northeastern United States with sessile leaves and red or purple flowers having a pungent odor;


• red trillium(n = noun.plant) birthroot, purple trillium, trillium erectum - trillium of eastern North America having malodorous pink to purple flowers and an astringent root used in folk medicine especially to ease childbirth;