Trillium
Pronunciation : Tril"li*um
Part of Speech : n.
Etymology : [NL.; cf. L. trilix triple-woven, triple.] (Bot.)
Definition : Defn: A genus of liliaceous plants; the three-leaved nightshade; -- so called because all the parts of the plant are in threes.
Source : Webster's Unabridged Dictionary, 1913