[tril-ee-uh m]


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.

Nearby words

  1. trill,
  2. trilling,
  3. trilling, lionel,
  4. trillion,
  5. trillionaire,
  6. trilobate,
  7. trilobed,
  8. trilobite,
  9. trilobitic,
  10. trilocular

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



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

Word Origin and History for trillium



1768, from Modern Latin trillium (Linnaeus, 1753), from Latin tri- "three" (see three). So called for its leaves.

Online Etymology Dictionary, © 2010 Douglas Harper