confine

1 - In recent years, a whole new generation of cargo vessels have begun sailing the oceans of the world at speeds that in the past were confined to fast passenger liners.

2 - If liver cancer is diagnosed when the tumor is confined to a small area of the liver, it can often be treated by surgically removing part of the liver.

3 - Three of the five patients using permanent artificial implants are now dead; the other two are confined to the hospital after suffering strokes and other complications.

4 - Cloning may not be ethically highly objectionable as long as cloning is confined to animals alone.

5 - If elderly people are unable to move about easily, or if they are confined to their beds, they may find it difficult to put on extra layers of clothing or add extra blankets to their beds.