Word
地下鉄
Meaning in Englishsubway, underground train
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Word context
What it means
What does 地下鉄 mean? It is the subway or underground railway system in a city, a form of rapid transit that primarily operates underground to connect urban areas through tunnels and stations.
Main meanings
- Subway system: an urban network of underground rail lines for rapid transit
- Underground railway: trains operating mainly beneath ground level in metropolitan areas
How to use it
Used in formal and casual contexts to refer to urban subway systems; common on maps and signage, in news reporting, and in everyday talk about commuting or travel within a city.
Variants and close terms
- Metro (romaji: metoro) — common signage and loanword usage
- 地下鉄道 (romaji: chikatetsudō) — older term for underground railway
Composition
- 地 ground, earth
- 下 below, under
- 鉄 iron, steel (used in railway terms)
- Together they express an underground railway concept, i.e., a rail system located beneath the surface
Etymology
Formed by abbreviation of 地下鉄道 (underground railway); the final kanji 鉄 is part of railway-related terms and the reading ちかてつ is retained.
Word class
noun (名詞)
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