Dictionary
Words, grammatical forms and meanings linked to the ontology.
underground railway en · NOUN
Meanings
-
Synonym of subway: a railway under the ground.
It was advisable to avoid building an underground railway beneath private houses at the time, because the law would require you to buy those houses.
2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 29:
Forms
Deriveds
underground
Synonyms
subway
underground railway en · PROPN
Meanings
-
(alt-of, alternative, capitalized, usually) Alternative form of Underground Railroad.
Relateds
underground railroad