The Collaborative International Dictionary of English v.0.48:
Patellar \Pa*tel"lar\, a. (Anat.) Of or pertaining to the patella, or kneecap. [1913 Webster] [1913 Webster]WordNet (r) 3.0 (2006):
patellar adj 1: near or relating to the patella or kneecap; "patellar tendon"