Definitions for "Nuchal"
Keywords:  nape, carapace, turtle, neck, median
Of, pertaining to, or in the region of, the back, or nape, of the neck; -- applied especially to the anterior median plate in the carapace of turtles.
pertaining to the back of te neck. occipital - The bone surrounding the foramen magnum and bearing the occipital condyles. Formed from 4 embryonic elements, the basioccipital below, 2 exoccipitals, and the supraoccipital above.
median plate at the anterior edge of the carapace in turtles; also head scales of some lizards and snakes posterior to the parietals and interparietal; pertaining to the nape of the neck