derailment

2 definitions found

derailment - Collaborative International Dictionary of English v.0.48 :

  Derailment \De*rail"ment\, n.
     The act of going off, or the state of being off, the rails of
     a railroad.
     [1913 Webster]

derailment - WordNet (r) 2.1 (2005) :

  derailment
      n 1: an accident in which a train runs off its track