health care

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The prevention, treatment, and management of illness and the preservation of mental and physical well-being through the services offered by the medical and allied health professions.
• adjective Of or relating to health care.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The prevention, treatment, and management of illness and the preservation of mental and physical well-being through the services offered by the medical, nursing, and allied health professions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun social insurance for the ill and injured
• noun the preservation of mental and physical health by preventing or treating illness through services offered by the health profession