The space under a desk occupied by the knees of one seated at the desk.(noun)
The Century Dictionary (Public Domain)
Use "knee-hole" in a sentence
"There was a knee-hole desk in the middle, and seated at it, with some papers and open volumes before him, was the benevolent old gentleman."
"A handsome knee-hole desk bore a jumble of papers, a gooseneck lamp, and an ancient typewriter; business of sorts was apparently conducted here."
"'He jumped up and went over to a knee-hole desk, pulled out one of the side drawers bodily, and brought it across to where I sat at one end of the sofa."
"It was a heavy flat-topped knee-hole desk with drawers at each side, and it was almost aggressively tidy."