blacksalt

Blacksalt is likely misspelled.

Blacksalt has no English definition.

As a noun salt

is a common substance, chemically consisting mainly of sodium chloride (NaCl), used extensively as a condiment and preservative.

As an adjective salt

is salty; salted.

As a verb salt

is to add salt to.

As an initialism SALT

is strategic Arms Limitation Talks.