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.
References in periodicals archive ?
The two potamodromous (migrating wholly within freshwater) species recorded in the field survey, Australian Smelt Retropinna semoni and Cox's Gudgeon Gobiomorphus coxii, were evidently able to maintain populations above the weir.
The decommissioning of the weir has provided opportunity for additional diadromous fish species such as Bullrout, Australian Bass and Striped Gudgeon to recolonise Bomaderry Creek above the weir.
Species Site number 1 2 3 4 5 6 7 8 9 10 11 12 Long-finned Eel x x x x x x Climbing Galaxias x Australian Smelt x x x x x x Eastern Gambusia x x x Bullrout x Australian Bass x Striped Mullet x Flat-tail Mullet x Cox's Gudgeon x x x x x x Striped Gudgeon x Total 3 1 1 2 4 3 4 4 1 2 1 1