Knee'-pan

Zell's Condensed Dictionary · 1879 · p. 27

or PATELLA. (Anat.) A little round bone inserted in the fore-part of the knee, and attached C D by a ligament to the upper surface of the tibia. It protects the joint in front and changes the direction of the tendons which descend from the thigh for insertion in the tibia. [s. 518]