What is "out patient"

Patient \Pa"tient\, n.

1. One who, or that which, is passively affected; a passive recipient.

   Malice is a passion so impetuous and precipitate that it often involves the agent and the patient.
   --Gov. of Tongue.

2. A person under medical or surgical treatment; -- correlative to physician or nurse.

   Like a physician, . . . seeing his patient in a pestilent fever.
   --Sir P. Sidney.

   In patient, a patient who receives lodging and food, as treatment, in a hospital or an infirmary.

   Out patient, one who receives advice and medicine, or treatment, from an infirmary.