metro

Pronunciation

• (UK) IPA ^(key): /ˈmɛtrəʊ/
• (US) IPA ^(key): /ˈmɛtroʊ/

• Audio (US)

  (file)

Noun

Singular metro

Plural metros

1. (countable) A metro is an underground railway system.
   • Synonyms: subway and tube
2. (countable) A metro is a train that runs on a underground railway system.

Related words

• subway