What is "ingot iron"

Ingot \In"got\, n. [Prob. from AS. in in + ge['o]tan to pour: cf. F. linglot, LL. lingotus a mass of gold or silver, extended in the manner of a tongue, and G. einguss, LG. & OE. ingot ingot, a mold for casting metals in. See Found to cast, and cf. Linget, Lingot, Nugget.]

1. That in which metal is cast; a mold. [Obs.]

   And from the fire he took up his matter And in the ingot put it with merry cheer.
   --Chaucer.

2. A bar or wedge of steel, gold, or other malleable metal, cast in a mold; a mass of unwrought cast metal.

   Wrought ingots from Besoara's mine.
   --Sir W. Jones.

   Ingot mold, a box or mold in which ingots are cast.

   Ingot iron. See Decarbonized steel, under Decarbonize.

n. iron of high purity