The phrase "to salt" has a number of meanings, depending on the context in which it is used. Here are some possible interpretations:
1. To add seasoning to food by sprinkling or dissolving salt in it.
2. To preserve something, such as meat or fish, by soaking it in brine or a salt solution before cooking or eating.
3. To save something for future use, especially when referring to data that is stored on a computer's hard drive.
4. In some regions of the United States and Canada, "to salt" means to throw salt at someone as an insult or challenge, usually during a confrontation or argument.