When you ground your child and don't let him leave his room, this is an example of a situation where you confine your child.
When you limit your paper to arguments in favor of something, this is an example of a situation where you confine your paper to affirmative arguments.
Please confine your remarks to the issues at hand.
To confine a talk to ten minutes.
The sick child was confined to bed.
- To be giving birth to a child.