dial. [Variant of THRILL sb.4, THILL1.] The shaft of a cart or wagon. Also attrib.

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1688.  R. Holme, Armoury, III. 339/2. The Trills, or Sides of the Cart, which the horse is to stand between. Ibid., 340/1. The Trill Horse, that next the Cart, and beareth the sides up with a Back band lying on the Trill Sadle.

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1726.  Dict. Rust. (ed. 3), s.v. Cart, The Trill-Hooks and Back-band, which holds the sides of the Cart up to the Horse.

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1766.  Compl. Farmer, s.v. Spiky-roller, Let the trills be placed just on the middle of each frame.

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[1905.  Eng. Dial. Dict., Thrill, recorded from South Cheshire, but now ‘less commonly used than formerly.’ Also Thrill-bars, Thrill-gears; Thrill-horse, or Thriller, the shaft-horse.] [Randle Holme, with whom the Dictionary entries begin, was a native of Chester.]

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