fibula
fib.u.la \'fib-y*-l*\ \-.le-\ \-l*r\ n or fib.u.lae or fibulas [L] pl 1: a clasp somewhat resembling a safety pin used by the ancient Greeks and Romans 2: the outer and usu. the smaller of the two bones of the hind limb below t he knee - fib.u.lar aj