prep., sb., and a. [UP adv. + long ALONG prep. and adv.] A. prep. Up along.

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1762.  Falconer, Shipwr., I. 198. Uplong the slipp’ry Masts the Yards ascend.

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  B.  sb. A strengthening bar extending along the sail of a windmill.

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1819.  Rees, Cycl., s.v. Windmill, There ought to be three uplongs … to the driving, and two to the leading side,… to strengthen the lattice.

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1892.  P. H. Emerson, Son of Fens, xxxii. 356. That uplong have got loose.

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  C.  adj. Extending upwards.

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1875.  Morris, Æneid, IX. 244. In daily hunt, whereby we learned the river’s uplong brim.

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