I. ˈme.(ˌ)trō noun
( -s )
Etymology: French métro, short for métropolitain, from ( chemin de fer ) métropolitain metropolitan railway
: subway
II.
Usage: usually capitalized
— a communications code word for the letter m
III. ˈme.(ˌ)trō noun
( -s )
Etymology: from the phrase metropolitan government
: a metropolitan regional government
IV. " adjective
Etymology: by shortening
: metropolitan 5