† long-harnessn.WeavingObsolete the heddles of a loom (see heddlen.), considered collectively.
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1755 New & Compl. Dict. Arts & Sci. IV. 2739/2 The linguas are the long pieces of round or square lead, tied to the end of each thread of the long-harness, to keep them tight.
1782 Encycl. Brit. 6711/2 The long-harness [of a ribbon-loom] are the front-reeds, by which the figure is raised.