The Collaborative International Dictionary of English v.0.48:
Aponeurotic \Ap`o*neu*rot"ic\, a. (Anat.) Of or pertaining to an aponeurosis. [1913 Webster]WordNet (r) 3.0 (2006):
aponeurotic adj 1: of or relating to an aponeurosis; "muscles attached by a flat aponeurotic membrane"