The Collaborative International Dictionary of English v.0.48:
Salt \Salt\, v. t. [imp. & p. p. Salted; p. pr. & vb. n.
1. To sprinkle, impregnate, or season with salt; to preserve
with salt or in brine; to supply with salt; as, to salt
fish, beef, or pork; to salt cattle.
2. To fill with salt between the timbers and planks, as a
ship, for the preservation of the timber.
To salt a mine, to artfully deposit minerals in a mine in
order to deceive purchasers regarding its value. [Cant]
To salt away, To salt down, to prepare with, or pack in,
salt for preserving, as meat, eggs, etc.; hence,
colloquially, to save, lay up, or invest sagely, as money.