Staples Food Meaning. A staple food, product, or activity is one that is basic and important in people's everyday lives. Commerce a company or industry that manufactures and sells.

Foods eaten regularly in quantities that constitute a dominant part of the diet (major source of energy and nutrient needs) are considered food staples. A staple food is one that is eaten regularly and in such quantities as to constitute the dominant part of the diet and supply a major proportion of energy and nutrient.