"Degrees"; the "degree" sign. Commonly used in temperatures, angles, and geographical coordinates, it can typed on a PC by hitting Alt-0176 (using the numeric keypad), and its HTML code is °. I wouldn't be surprised if someone's used it in a job advertisement before.
It was 92°F (33°C) outside today.
There are 360° in a circle.
Hlp wntd, PT/FT, $8-12/hr, no ° req.