sawyer

noun4

1. •
   One who saws timber, especially in a sawpit.
2. •
   A beetle, mostly in the genus Monochamus, that lives and feeds on trees, including timber.
3. •
   (US) A large trunk of a tree brought down by the force of a river's current.

   • ‘A’most used-up I am, I do declare!’ she observed. ‘The jolting in the cars is pretty nigh as bad as if the rail was full of snags and sawyers.’ — 1842
4. •
   (dialect, US) The bowfin.