redrain

re- +‎ drain

• Rhymes: -eɪn

redrain (third-person singular simple present redrains, present participle redraining, simple past and past participle redrained)

1. (transitive) To drain again.
   • 1950 January, “Re-Signalling at Liverpool Lime Street Station”, in Railway Magazine, page 43:

     During the track renewals, advantage was taken to redrain the area and the old spent ballast was removed down to the underlying rock, new ballast and drains being provided throughout.

• Reinard, darrein, drainer, randier