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1620s, from French clinique (17c.), from Latin clinicus "physician that visits patients in their beds," from Greek klinike (techne) "(practice) at the sickbed," from klinikos "of the bed," from kline "bed, couch, that on which one lies," from suffixed form of PIE root *kli- "lean, slope" (see lean (v.)).
Originally in English "bedridden person;" sense of "hospital" is 1884, from German Klinik in this sense, itself from French clinique, via the notion of "bedside medical education." The modern sense is thus reversed from the classical, when the "clinic" came to the patient. General sense of "conference for group instruction in something" is from 1919.
clinic clin·ic (klĭn'ĭk)
A facility, often associated with a hospital or medical school, that is devoted to the diagnosis and care of outpatients.
A medical establishment run by several specialists working in cooperation and sharing the same facilities.
A group session offering counsel or instruction in a particular field or activity.
A seminar or meeting of physicians and medical students in which medical instruction is conducted in the presence of the patient, as at the bedside.
A place where such instruction occurs.
A class or lecture of medical instruction conducted in this manner.
an organized medical service offering diagnostic, therapeutic, or preventive treatment to ambulatory patients. Often in Europe and occasionally in the United States the term covers the entire teaching centre, including the hospital and the ambulatory-patient facilities. The medical care offered by a clinic may or may not be connected with a hospital.