Wiktionary
n. (context US Australia English): A pad with surface used to enhance the movement of a computer mouse.
Usage examples of "mouse pad".
She slapped down the mouse pad, then opened the top of the computer and pushed the switch on the side.
She drummed her fingers on the mouse pad while she thought about it.
Father Dominic in particular had no idea how a mouse worked, and was constantly sweeping it from one side of his desk to the other, no matter how many times I told him all he had to do was keep it on the mouse pad.
He took Dillon a cup and set it near the mouse pad at his right hand.
There was still no sign of printer supplies, but from a row halfway down the center aisle emerged a boy holding what looked like a mouse pad, and Bill immediately headed in that direction.