Found in the following dictionaries
SOWPODS (Collins Scrabble Words)
"Trie" Definition
noun
An ordered tree data structure that is used to store an associative array where the keys are usually strings. Also called a prefix tree.
Source: Wiktionary
We love the game of Scrabble®, which is why we created Free Scrabble Dictionary - a simple lookup tool to check if the word you want to play is valid in the game of Scrabble®. At the top of every page, you can enter your word and click "Search Dictionary." We'll let you know whether your word is playable and provide a few definitions as well.