trifid [trahy-fid] EXAMPLES|WORD ORIGIN adjective cleft into three parts or lobes. Liberaldictionary.com
Origin of trifid First recorded in 1745–55, trifid is from the Latin word trifidus split in three. See tri-, -fid Related formssub·tri·fid, adjective Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trifid Historical Examples of trifid
The upper as well as the lower leaves are trifid, or three-parted.
The Field and Garden Vegetables of America
Fearing Burr
Posterior arms about one-third larger, also trifid, with one deeper anterior and one shallower posterior incision.
Ernst Haeckel
Posterior arms of the same length, but much broader, trifid, with two incisions (one larger and one smaller).
Ernst Haeckel
Podoconus about two-thirds as long as the capsule, with trifid porochora, which is composed of three equal circular lobes.
Ernst Haeckel
The heliogravure reproduction of the Trifid nebula is No. 55.
Photographs of Nebul and Clusters
James Edward Keeler
British Dictionary definitions for trifid trifid adjective divided or split into three parts or lobes Word Origin for trifid C18: from Latin trifidus from tri- + findere to split 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 trifid adj.
“divided into three lobes,” 1620s, from Latin trifidus “cleft in three,” from tri- “three” (see tri-) + -fid. This adjective probably inspired triffid, the name of the three-legged walking poisonous plants in John Wyndham’s novel “The Day of the Triffids” (1951).
Online Etymology Dictionary, © 2010 Douglas Harper trifid in Medicine trifid [trī′fĭd′] adj. Divided into three narrow parts or lobes. The American Heritage® Stedman’s Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.