"1605: I could as well be brought / To knee his throne and, squire-like, pension beg / To keep base life afoot. — William Shakespeare, King Lear II.ii"
2.verbTo poke or strike with the knee.
3.verbTo move on the knees; to use the knees to move.
4.adjectiveHaving a knee or knees, or, in combination, the stated type of knee or knees.