Definition of the salt of the earth
- These folks are the salt of the earth.
: a crystalline compound NaCl that consists of sodium chloride, is abundant in nature, and is used especially to season or preserve food or in industry —called also common salt
: a substance (such as Glauber's salt) resembling common salt
: a mineral or saline mixture (such as Epsom salts) used as an aperient or cathartic
: to treat, provide, or season with common salt
: to preserve (food) with salt or in brine
: to supply (an animal) with salt
: saline, salty
: cured or seasoned with salt : salted
: lustful, lascivious
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