nurse

A nurse is a healthcare worker who helps doctors and helps sick or injured people with the activities of daily life.

A nurse is a woman who takes care of other people's children.

A wet nurse

If you nurse a sick or injured person or animal, you help them with the activities of daily life.

Example: I admire the time he took to nurse that sick dog back to health.

If you nurse a body part or an injury, you rest it and are careful about it.