mainstay
1 ENTRIES FOUND:
plural
mainstays
plural
mainstays
Britannica Dictionary definition of MAINSTAY
[count]
:
a very important part of something
:
something or someone that provides support and makes it possible for something to exist or succeed
-
Fish is a mainstay of their diet.
-
a dietary mainstay
-
My mother has always been the mainstay of our family.
