railroad tunnel
English Thesaurus
1. a tunnel through which the railroad track runs (noun.artifact)
hypernym | : | tunnel, |
definition | : | a passageway through or under something, usually underground (especially one for trains or cars) (noun.artifact) |
instance hyponym | : | channel tunnel, chunnel, |
definition | : | the railroad tunnel between France and England under the English Channel (noun.artifact) |
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