Etymology: so called from the feet (partly of iron and partly of clay) of the image in Nebuchadnezzar's dream in Daniel 2:33
1. : a generally concealed or unobserved but marked weakness or frailty in one hitherto idolized for qualities seemingly superior to those of common humanity or feared because of formidable and seemingly unassailable command or strength
2. : a focal weakness (as cowardice or fear) in a seemingly commanding person