trifurcate [trahy-fur-keyt, trahy-fer-keyt; adjective trahy-fur-kit, trahy-fer-] EXAMPLES|WORD ORIGIN verb (used without object), tri·fur·cat·ed, tri·fur·cat·ing. to divide into three forks or branches. adjective Also tri·fur·cat·ed. divided into three forks or branches.
Origin of trifurcate First recorded in 1650–60; see origin at, Related formstri·fur·ca·tion, noun Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trifurcate Historical Examples of trifurcate
There are two dorsal fins, slightly connected; the caudal fin is double concave or trifurcate.
James Alexander Henshall
British Dictionary definitions for trifurcate trifurcate trifurcated adjective having three branches or forks Derived Formstrifurcation, nounWord Origin for trifurcate from Latin trifurcus, from tri- + furca a fork 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