Definition of re-rail in English:

re-rail

Pronunciation /ˌriːˈreɪl/

verb

  • 1To place (a derailed train, carriage, etc.) back upon the rails.

  • 2To supply (a railway line or track) with new rails.

Origin

Late 19th century; earliest use found in Lockwood's Dictionary of Mechanical Engineering. From re- + rail.