Found 2 items, similar to trillium.
English → English (WordNet) Definition: trillium trillium n : any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petaled flower [syn: wood lily, wake-robin]
English → English (gcide) Definition: Trillium Trillium \Tril"li*um\, n. [NL.; cf. L. trilix triple-woven, triple.] (Bot.) A genus of liliaceous plants; the three-leaved nightshade; -- so called because all the parts of the plant are in threes. [1913 Webster]