Meaning of the word mainstay in English

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

mainstay

US /ˈmeɪn.steɪ/
UK /ˈmeɪn.steɪ/

Noun

1.

the most important part of something, providing support for everything else:

Example:
In the early 1900s, farming was the mainstay of the national economy.
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