Word not found in any official scrabble dictionaries.
"Gui" Definition
noun
A user interface based on graphics (icons and pictures and menus) instead of text; uses a mouse as well as a keyboard as an input device.
Source: Wordnet
geographical name
River 200 (322 ) China in Guangxi Zhuangzu flowing into the Xi.
Source: Merriam-Webster
abbreviation
Graphical user interface.
Source: Merriam-Webster
residual
Graphical user interface.
Source: Oxford Dictionary
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