An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water.
A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.
A finlike organ or attachment; a part of an object or product which protrudes like a fin
A blade of whalebone.
A mark or ridge left on a casting at the junction of the parts of a mold.
The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling.
A feather; a spline.
A finlike appendage, as to submarine boats.
A fixed stabilizing surface, usually vertical, similar in purpose to a bilge keel on a ship.
fin in Danish is finne
fin in Dutch is vin
fin in French is nageoire
fin in German is Naht, Grat, Flosse
fin in Italian is pinna
fin in Norwegian is finne
fin in Portuguese is aleta, barbatana
fin in Spanish is aleta
fin in Swedish is fena
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