That which gently undulates.

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1818.  A distance [of] seven miles along a road, over a rolling, but not hilly country.—W. Darby, ‘Tour to Detroit,’ p. 168 (1819).

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1819.  The general aspect of the country is sterile, though not mountainous: lands lie rolling, like a body of water in gentle agitation.—H. R. Schoolcraft, ‘Lead Mines,’ p. 26. (N.E.D.) (Italics in the original.)

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1819.  Rolling is a term [used in the West] which may be frequently heard in conversations relative to lands. We are not to understand by the word, a turning round, but a diversified surface.—David Thomas, ‘Travels,’ p. 230 (Auburn, N.Y.).

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1821.  On the south side of the Missouri is also an extensive tract of rolling country.—E. James, ‘Rocky Mountain Expedition,’ ii. 343 (Phila., 1823).

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1827.  The face of the country is, generally, rolling.—John L. Williams, ‘West Florida,’ p. 5 (Phila.).

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1833.  My way … led through oak openings of rolling land.—C. F. Hoffman, ‘A Winter in the Far West,’ i. 166 (Lond., 1835).

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1833.  Our next stage carried us over a rolling prairie to Laporte.—Id., i. 222. (Italics in the original.)

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1834.  The country is a rolling prairie for part of the way between the Demora and San Miguel.—Albert Pike, ‘Sketches,’ &c., p. 39 (Boston).

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1835.  The road winds through a “rolling” country.—Ingraham, ‘The South-West,’ ii. 166.

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1861.  For nearly a mile further large rolling fields extend down to the Warrenton turnpike.—Gen. McDowell’s report of the battle of Bull Run, Aug. 4: O. J. Victor, ‘The History … of the Southern Rebellion,’ ii. 256 (1863).

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1888.  In our daily rides we found the country about Austin [Texas] delightful. The roads were smooth and the surface rolling.—Mrs. Custer, ‘Tenting on the Plains,’ p. 220.

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