noun
a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll
• Hypernyms: ↑bar
• Hyponyms: ↑third rail
• Part Holonyms: ↑railroad track, ↑railroad, ↑railway, ↑tramline, ↑tramway, ↑streetcar track
* * *
plural of rail
present third singular of rail
Useful english dictionary. 2012.