from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A patient who is admitted to a hospital or clinic for treatment that does not require an overnight stay.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Provided without requiring an overnight stay by the patient.
- n. A patient who receives treatment at a hospital or clinic but is not admitted overnight; a receiver of ambulatory care.
Sorry, no etymologies found.