"Sergeant What's-his-name" has always been one of the mainstays of the Army.
Emperor is one of the standard shipping grapes of the Pacific slope, being one of the mainstays of the interior valleys.
The oil-lamp and the candle were the mainstays of artificial lighting throughout many centuries.
While he rarely attended the services at this church, he was one of its mainstays in every pecuniary sense.
"Do as you think best, Jack; you and Marion must be my mainstays now," and she kissed him affectionately.
He bowed politely to those two mainstays of society, the brothers Leroux, and went downstairs.
One of the mainstays of this genuine culture was the autonomous school.
A father ought to be dearer to you than myself; become both the mainstays of his old age.
Peggy Simms stood before Rainey, clinging to the mainstays, a different girl to the one that he had known.
In less than a week he was back to his old time form, and became as he had been before, one of the mainstays of the team.