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trigram

American  
[trahy-gram] / ˈtraɪ græm /

noun

  1. a sequence of three adjacent letters or symbols.

Etymology

Origin of trigram

First recorded in 1600–10; tri- + -gram 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.