railroad track

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a line of track providing a runway for wheels
- he walked along the railroad track
• Syn:
railroad, railway
• Derivationally related forms:
railroad (for: railroad)
• Hypernyms:
track
• Hyponyms:
broad gauge, gantlet, narrow gauge, siding, railroad siding,
turnout, sidetrack, standard gauge, switch
• Part Holonyms:
line, railway line, rail line
• Part Meronyms:
tie, railroad tie, crosstie, sleeper, track,
rail, rails, runway