Nŏd'dy, n.

n. [Probably from nod, because a person who is frequently nodding, as in assent, may be easily looked upon as a fool.]

1. A simpleton; a fool.
2. (Ornith.) A sea-fowl; the booby. See Booby.
3. A game at cards, anciently common, and not yet wholly out of use. Halliwell.
4. A small, two-wheeled vehicle, usually drawn by one horse.

Noddy (Sterna stolida).