Typical of her eccentricities was her iron clad refusal to touch one bite of food in our house.
The crust was so thick and hard that the prisoners called it 'iron clad.'
Because of hardiness, this peach is sometimes called Canada iron clad.
Although the Hatteras was built of iron, she was not iron clad.
The conventions were as iron clad here as among the nobility of England.
This was after we had taken the iron clad oath and become more civilized.
We all took an iron clad oath, but the Huns are so devilishly clever you never can tell how or when they will reach your workmen.