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Webster 1913 Edition

Adj.

Curved so that the apex hangs down; having the top bent downward.

Come, master, I have a project in my

noddle

L’Estrange.

The back part of the head or neck.

[Obs.]

For occasion . . . turneth a bald

noddle

, after she hath presented her locks in front, and no hold taken.

Bacon.

ppr.

Inclining the head with a short quick motion.

nodding

nodding ‎(plural noddings)

The act by which one nods.
- 1828, Robert Mudie, Babylon the Great
  The Commons, on the other hand, upon permission being granted to appear at their Lordships' bar, come in with as many and as sapient noddings of the head, as a wooden mandarin performs in a tea-dealer's window […]