Definition, synonyms and related words
teletypewriter (originally), or a text display device, as used by the deaf to read voice communication converted to text by a communication assistant device (CA).
"The hearing-impaired man adjusted his tty so he could read the real-time captions of his friend's phone call."
In plain English: A tty is an old-school text-only screen that lets you type commands directly to your computer without using a graphical interface.
"The old computer manual refers to tty when talking about connecting directly via terminal lines."
Initialism of talk to you.
"Don't hang up yet, tty later tonight!"
In plain English: To tty means to stop talking and listen quietly while someone else speaks.
"The driver tty'd on to check if there was enough gas left in the tank before we arrived at the border."