[ tril-ee-uh m ]
/ ˈtrɪl i əm /


any of several plants belonging to the genus Trillium, of the lily family, having a whorl of three leaves from the center of which rises a solitary, three-petalled flower.

Origin of trillium

< New Latin (Linnaeus), apparently alteration of Swedish trilling triplet, alluding to the foliation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trillium

British Dictionary definitions for trillium


/ (ˈtrɪljəm) /


any herbaceous plant of the genus Trillium, of Asia and North America, having a whorl of three leaves at the top of the stem with a single central white, pink, or purple three-petalled flower: family Trilliaceae

Word Origin for trillium

C18: from New Latin, modification by Linnaeus of Swedish trilling triplet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012