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sur·geon gen·er·al(sŭr'jŏn jen'ĕr-ăl),
The chief medical officer in the U.S. Army, Navy, Air Force, or Public Health Service. In some foreign military services, any member of the medical corps who has the rank of general, not necessarily the chief medical officer.
n. pl. Surgeons General Abbr. SG
1. The chief medical officer in the US Public Health Service or in a state public health service.
2. The chief general officer in the medical departments of the US Army, Navy, or Air Force.
(in the United States) the chief medical officer of the Army, Navy, Air Force, and Public Health Service. In other countries, the title may indicate any physician with the rank of general.