Meaning of the word "Staple food" in English

What does "Staple food" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

Staple food

US /ˈsteɪ.pəl ˌfuːd/
UK /ˈsteɪ.pəl ˌfuːd/

Noun

a food that is eaten routinely and in such quantities that it constitutes a dominant portion of a standard diet for a given people, supplying a large fraction of energy needs and generally forming the basis of a traditional diet

Example:
Rice is a staple food for many Asian countries.
Potatoes were once a staple food in Ireland.