undercutter

[ uhn-der-kuht-er ]

nounRailroads.
  1. a track-maintenance machine that cleans the ballast section to any predetermined depth.

Origin of undercutter

1
First recorded in 1890–95; undercut + -er1

Words Nearby undercutter

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023