noddy

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. A dunce or fool; a simpleton.
• n. Any of several terns of the genera Anous and Micranous, found in tropical waters and having a dark brown or black color with a white or gray head.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. A stupid or silly person.
• n. Any of several stout-bodied, gregarious terns of the genera Anous and Procelsterna, found in tropical seas.
• n. A small two-wheeled vehicle drawn by a single horse.
• n. An inverted pendulum consisting of a short vertical flat spring which supports a rod having a bob at the top; used for detecting and measuring slight horizontal vibrations of a body to which it is attached.
• n. An old card game.
• n. A cutaway scene of a television interviewer nodding, used to cover an editing gap in an interview.

from the GNU version of the Collaborative International Dictionary of English

• n. A simpleton; a fool.
• n.
• n. Any tern of the genus Anous, as Anous stolidus.
• n. The arctic fulmar (Fulmarus glacialis). Sometimes also applied to other sea birds.
• n. An old game at cards.
• n. A small two-wheeled one-horse vehicle.
• n. An inverted pendulum consisting of a short vertical flat spring which supports a rod having a bob at the top; -- used for detecting and measuring slight horizontal vibrations of a body to which it is attached.

from The Century Dictionary and Cyclopedia

• To make a fool of.
• n. A simpleton; a fool.
• n. A large dark-colored tern or sea-swallow of the subfamily Sterninæ and the group Anoëæ or genus Anoüs, found on most tropical and warm-temperate sea-coasts: so called from their apparent stupidity.
• n. The murre, Lomvia troile.
• n. The ruddy duck, Erismatura rubida.
• n. An old game of cards, supposed to have been played like cribbage.
• n. The knave in this game.
• n. A kind of four-wheeled cab with the door at the back, formerly in use.
• n. A device designed to show the oscillation of the support of a pendulum.