consisting of three parts, or proceeding by three; ternary.

Origin of trinary

1425–75; late Middle English trynary < Late Latin trīnārius of three kinds, equivalent to Latin trīn(ī) by threes (alteration of ternī (derivative of ter thrice; see ter-) on the model of bīnī by twos; see binary) + -ārius -ary Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trinary

Historical Examples of trinary

British Dictionary definitions for trinary



made up of three parts; ternary
going in threes

Word Origin for trinary

C15: from Late Latin trīnārius of three sorts, from Latin trīnī three each, from trēs three
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