noddle

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. ] 1. The head; also, noodle; -- used jocosely or contemptuously.
Syn. -- noggin. [ 1913 Webster +PJC ]

Come, master, I have a project in my noddle. L'Estrange. [ 1913 Webster ]

2. The back part of the head or neck. [ Obs. ] [ 1913 Webster ]

For occasion . . . turneth a bald noddle, after she hath presented her locks in front, and no hold taken. Bacon. [ 1913 Webster ]