onyx
on.yx \'a:n-iks\ n [ME onix, fr. OF & L; OF, fr. L onych-, onyx fr. Gk, lit., to]enail or fingernail - more at NAIL : chalcedony in parallel layers of different shades of color
on.yx \'a:n-iks\ n [ME onix, fr. OF & L; OF, fr. L onych-, onyx fr. Gk, lit., to]enail or fingernail - more at NAIL : chalcedony in parallel layers of different shades of color