\Gud"geon\, n. [OE. gojon, F. goujon, from L. gobio, or
gob, Gr. ? Cf. {1st Goby}. ]
1. (Zo["o]l.) A small European freshwater fish ({Gobio
   fluviatilis}), allied to the carp. It is easily caught and
   often used for food and for bait. In America the
   killifishes or minnows are often called {gudgeons.}
2. What may be got without skill or merit.
         Fish not, with this melancholy bait, For this fool
         gudgeon, this opinion.                --Shak.
3. A person easily duped or cheated. --Swift.
4. (Mach.) The pin of iron fastened in the end of a wooden
   shaft or axle, on which it turns; formerly, any journal,
   or pivot, or bearing, as the pintle and eye of a hinge,
   but esp. the end journal of a horizontal.
6. (Naut.) A metal eye or socket attached to the sternpost to
   receive the pintle of the rudder.
{Ball gudgeon}. See under {Ball}.

\Gud"geon\, v. t.
To deprive fraudulently; to cheat; to dupe; to impose upon.
[R.]
      To be gudgeoned of the opportunities which had been
      given you.                               --Sir IV.
                                               Scott.