What is the meaning of Metro?

A rapid transit rail transport system, or a train in such systems, generally underground and serving a metropolitan area.

An urban rapid transit rail transport system, normally with lighter track and light trains (i.e. an S-Bahn or similar), or a train in such systems.

A metropolitan area.

metropolitan

metre

metro

metro, underground railway

metro, subway (underground railway)

an underground railway or underground-railway system, a subway, a metro

an underground-railway train

metre

metrum

an underground, a subway, a Tube or a metro

meter

tape measure, measuring tape

metre (the rhythm or measure in verse and musical composition)

metro

metre

metrum of poetry

metre, meter

ruler, measure

yardstick, criterion

subway , underground , Tube

dative/ablative singular of metrum

underground, subway, metro (underground railway)

metre

underground, subway

Alternative form of metrou

metro

metro

meter

tape measure, measuring tape

folding rule

metre (the rhythm or measure in verse and musical composition)

metro

meter (unit of length)

meter (measuring instrument)

taximeter

tape measure, measuring tape

subway

meter, metre

metro (underground railway)

Source: wiktionary.org