The term "GeForce desktop" isn't as common because GeForce refers to the graphics card itself, a component inside a desktop computer. However, many pre-built desktop computers are designed specifically for gaming and will feature a GeForce graphics card.
These desktops are often advertised for their gaming prowess and will typically have other powerful components like a fast processor and plenty of RAM to compliment the GeForce graphics card.
If you're looking for a desktop computer specifically designed for gaming, look for one that features a GeForce graphics card. Here are some examples of gaming desktops that use GeForce graphics cards:
HP Omen
Alienware Aurora
CyberpowerPC Gamer Master
ASUS ROG Strix