Meaning

1 senses
  1. A bar, connected with a switch, longer than the distance between any two consecutive wheels of a train, laid inside a rail and operated by the wheels so that the switch cannot be thrown until the entire train has passed the switch.

Forms

plural: detector bars
Singulardetector bar
Pluraldetector bars

regular

See also

neighbours in the dictionary
detector bar — meaning, examples, forms, synonyms | Krumeto