Glass was used to cover the face beginning around 1610.

There was absolutely nothing else she could use to cover herself.

The word may also be used to cover both concepts.

"Years ago we used to cover all the hours of the day, but that's not possible just now," she said.

They give me back my blanket, the one I used to cover the old man.

About $115 million was used to cover a deficit in the 1987-88 budget.

Medicare used to cover only a limited number of days in the hospital.

He had used the towel to cover, not to dry.

Sheet metal was also often used to cover other works.

Quite often the former is used to cover the absence of the latter.