1. slab track - Noun
2. slab track - Verb
slab track (countable and uncountable, plural slab tracks)
(rail transport) Railway track mounted on a concrete (or asphalt) base, without the use of ballast.
slab-track (third-person singular simple present slab-tracks, present participle slab-tracking, simple past and past participle slab-tracked)
(rail transport) To lay slab track on a section of railway line.
slab-track