EXAMPLES FROM THE WEB FOR MAINSTAY
(p. 046) Throughout 1914 Paul was the mainstay of the magazine.
The working people of any community are the mainstay and backbone of that community.
Kuvalda loses his mainstay when his comrade, the schoolmaster, dies.
Gory and grewsome,—he is the mainstay Of the historic novel of to-day.
Stick to your two little sisters, boy; you must be their mainstay when I am gone.
During that whole winter the Randalls were the mainstay of the community.
It was not long before he was to be the mainstay of Virginia.
Reasons of his own; that's the mainstay; as between man and man.
It has been my mainstay for more years than I care to think about.
But then the old man was the main hope of his life, and must be made its mainstay.