What is "kneesock"

Usage examples of "kneesock".

In a short plaid skirt and white blouse, she had dressed the part of a penitent schoolgirl, though her kneesocks covered the tapering calves of a mature woman.

One of them seemed to be wearing a school uniform: kneesocks and a short plaid skirt.

He goes to the desk in the older daughter's side of the room and stares down at the clutter, magazines, schoolbooks, one yellow hair ribbon, a butterfly barrette, a few scattered sticks of Black Jack chewing gum, colored pencils, a tangled pair of pink kneesocks, an empty Coke can, coins, and a Game Boy.