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mainstay

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noun main·stay \ˈmān-ˌstā\

Simple Definition of mainstay

  • : a very important part of something : something or someone that provides support and makes it possible for something to exist or succeed

Source: Merriam-Webster's Learner's Dictionary

Full Definition of mainstay

  1. 1 :  a ship's stay extending from the maintop forward usually to the foot of the foremast

  2. 2 :  a chief support

Examples of mainstay in a sentence

  1. Fish is a mainstay of their diet.

  2. My mother has always been the mainstay of our family.



15th Century

First Known Use of mainstay

15th century

Other Nautical Terms


MAINSTAY Defined for Kids

mainstay

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noun main·stay \ˈmān-ˌstā\

Definition of mainstay for Students

  1. 1 :  the large strong rope from the maintop of a ship usually to the foot of the foremast

  2. 2 :  a chief support <the mainstay of the family>





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