Arachnoid - arachne, spider; like a spider's web⏎
Axis - axon, axle or pivot.⏎
Biceps - bi, double; caput, head.⏎
Cauda equina - cauda equina, horse's tail.⏎
Arytenoid - arytaina, pitcher; the two cartilages, with the gap between them, look like the spout of a pitcher.⏎