Search Result for "third rail":
Wordnet 3.0

NOUN (1)

1. a rail through which electric current is supplied to an electric locomotive;


The Collaborative International Dictionary of English v.0.48:

Third rail \Third rail\ (Electric Railways) (a) The third rail used in the third-rail system. (b) An electric railway using such a rail. [Colloq.] [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):

third rail n 1: a rail through which electric current is supplied to an electric locomotive