tracklayer
noun
track·lay·er ˈtrak-ˌlā-ər 
-ˌler
1
: a worker engaged in tracklaying
2
: a tracklaying vehicle
Word History
First Known Use
1853, in the meaning defined at sense 1
- thunder-blasted
- thunder-gust
- thunderation
- thunderations
- thunderball
- thunderbird
- thunderbirds
- thunderbolt
- thunderbolts
- thunderboxes
- thunderclap
- thunderclaps
- thundercloud
- thunderclouds
- thundercrack
- thundered
- thunderer
- thundereres
- thunderers
- thunderfish
- thunderflashes
- thunderflower
- thunderful
- thunderhead
- thunderheads