a hybrid produced by crossing wheat, Triticum aestivum, and rye, Secale cereale.
Origin of triticale
1935–40; < New Latin Triti(cum) wheat + (Se)cale rye
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a fertile hybrid cereal, a cross between wheat (Triticum) and rye (Secale), produced by polyploidy
Word Origin for triticale
C20: from Tritic (um) + (Sec) ale
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
hybrid cereal grass, 1952, from Modern Latin Triti(cum) "wheat" (literally "grain for threshing," from tritus, past participle of terere "to rub, thresh, grind") + (Se)cale "rye."
Online Etymology Dictionary, © 2010 Douglas Harper