Nod"dle (?), n. [OE. nodil, nodle; perh. fr. nod, because the head is the nodding part of the body, or perh. akin to E. knot; cf. Prov. E. nod the nape of the neck.]
The head; -- used jocosely or contemptuously.
<-- now usu. noodle (not in W1913) or noggin -->
Come, master, I have a project in my noddle.
The back part of the head or neck.
For occasion ... turneth a bald noddle, after she hath presented her locks in front, and no hold taken.
© Webster 1913.