1. A professional person trained to assist and to aid the infirm and sick, particularly in a hospital: Mr. Anderson had a nurse come to his home and help with the treatment of his invalid and ailing grandfather.
2. Etymology: from Latin nutrire "to suckle, to nourish".

1. To provide care for an afflicted person: After Jack fell down, he was nursed back to health by his wife who helped him every way she could.
2. To breastfeed a baby: After giving birth to her son, Hana was nursing little Finn for six months, knowing that her milk was the best for him.
3. To carefully treat someone or something: Dianne always nursed her roses in the front yard and fertilized them on a regular basis and that is why they are so beautiful.