The phrase "palm rest" refers to a small surface or area on a device, such as a keyboard or laptop, where you can place your palms comfortably while using it. Full definition
A new pillow - textured palm rest on the keyboard also adds additional comfort to the users. (vrzone.com)
The steering wheel is an «oval» 3 - spoke design, which offers baseball - style stitching and large thumb grips / palm rest areas for improved feel on long drives. (nissannews.com)
I also like the look and feel of the rubber palm rests. (businessinsider.com)