Specs are glasses worn to correct the sight. A pair of specs, lost my specs, reading specs.
It is informal British and short for spectacles, and it is plural only. Specs also means specifications, as in the technical details of a machine, and only context separates the two — asking for the specs of a phone is not asking for its glasses.
1nounspecsGlasses worn to correct the sight.
“I can't read the menu without my specs.”
specs is glasses.
Also accepted in games: spectacles