traverser

noun4

1. •
   Something which traverses or moves, such as an index on a scale.
2. •
   Someone who traverses a region.

   • […]traversers of the continent. — 1897
3. •
   A traverse table.

   • As the pithead (Fig. 15) had not been designed for large wide gauge cars it was necessary to replace the usual runround with a traverser. — 1954
4. •
   (no longer used) Someone who traverses, or denies.

   • A denial that the traverser passed the paper as currency, is not a denial that he passed paper currency; so that we think the verdict is not a verdict of acquittal. — 1839