gudgeon

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gudgeon

1
1. a small slender European freshwater cyprinid fish, Gobio gobio, with a barbel on each side of the mouth: used as bait by anglers
2. any of various other fishes, such as the goby

gudgeon

2
1. 
a. a pivot at the end of a beam or axle
b. the female or socket portion of a pinned hinge
2. Nautical one of two or more looplike sockets, fixed to the transom of a boat, into which the pintles of a rudder are fitted

gudgeon

[gəj·ən]
(engineering)
A pivot.
A pin for fastening stone blocks.
(naval architecture)
Metal fittings on the sternpost of a boat or on the rudderpost of a ship on which the rudder is hung; the gudgeon forms the pivot point.

gudgeon

A metal pin used to hold together two blocks or slabs, as of stone.