1.  A high officer of the royal household, or minister of state, bearing a white staff. See STAFF sb.1 7. Obs.

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1702.  Lond. Gaz., No. 3862/1. The Duke of Ormond, being the Staff-Officer in waiting.

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1728.  Chambers, Cycl., s.v. Officer, Staff Officers are such as in the King’s Presence bear a white Staff; and at other times, going abroad, have a white Staff borne before them by a Footman bare-headed. Such are the Lord Steward, Lord Chamberlain, Lord Treasurer, &c.

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  2.  Mil.a. A non-commissioned officer. Obs.

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1702.  Milit. Dict. (1704), s.v. Officer, Warrant, and Staff-Officers, those who have not the King’s Commission, but are appointed by the Colonels and Captains, as Quartermasters, Serjeants, Corporals. [ed. 4, 1711, adds: and in the same Number are included Chaplains and Surgeons].

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1706.  Farquhar, Recruiting Officer, V. v. Kite. [A sergeant, addressing a constable] And then we are both staff-officers.

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1709.  Lond. Gaz., No. 4590/3. Forty-four Staff-Officers.

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1727.  H. Bland, Milit. Discipl., v. 61. The Staff-Officers, viz. Chaplain, Adjutant, Quarter-Master, Surgeon and Mate.

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  b.  An officer doing duty with the general or departmental staff of an army, division or brigade. Cf. G. stabsoffizier.

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1777.  Sheridan, Sch. Scand., IV. i. Why then, he shall have him for ten pounds, and I’m sure that’s not dear for a staff-officer.

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1802.  C. James, Milit. Dict., F ff 3/1. No officer must ride between the divisions on a march, except General and Staff officers.

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1811.  Regul. & Orders Army, 29. Aides-de-Camp, Brigade-Majors, and other Staff Officers.

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1864.  [see SASHERY].

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1912.  Trevelyan, Geo. III. & Fox, I. iii. 102. Lord Amherst, mindful of the time when he was a young staff-officer on active service, [etc.].

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  c.  In the United States navy, an officer not exercising military command.

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1891.  in Century Dict.

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