The Collaborative International Dictionary of English v.0.48:
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.
Ingot mold, a box or mold in which ingots are cast.
Ingot iron. See Decarbonized steel, under Decarbonize.