SALT

noun

1. A common substance, chemically consisting mainly of sodium chloride (NaCl), used extensively as a condiment and preservative.
2. One of the compounds formed from the reaction of an acid with a base, where a positive ion replaces a hydrogen of the acid.
3. A salt marsh, a saline marsh at the shore of a sea.

verb

1. To add salt to.
2. To deposit salt as a saline solution.
3. To fill with salt between the timbers and planks, as a ship, for the preservation of the timber.

adjective

1. Salty; salted.
2. Saline.
3. Related to salt deposits, excavation, processing or use.