"Metro" is a noun in Spanish.
/mɛtɾo/
In Spanish, "metro" primarily refers to a rapid transit system, commonly known as a subway or underground train service. It is widely used in urban contexts where this mode of transportation is available. The term can also refer to the metric unit of measurement for length, equivalent to approximately 39.37 inches.
The word "metro" is commonly used in both oral and written contexts, often in conversations about commuting or discussing city infrastructure. The frequency of use is high in cities with metro systems.
Voy a tomar el metro para llegar al centro de la ciudad.
I'm going to take the subway to get to the city center.
El metro de esta ciudad es muy eficiente y rápido.
The subway in this city is very efficient and fast.
¿Cuál es la estación de metro más cercana?
What is the nearest subway station?
The word "metro" is used in several idiomatic expressions, particularly related to urban life and transportation.
Estar en el metro a primera hora de la mañana.
To be on the subway during rush hour. (Implies being in a crowded or busy situation.)
Tomar el metro en el último momento.
To catch the subway at the last moment. (Suggests a last-minute decision or action.)
Subir como la espuma en el metro.
To rise like foam in the subway. (Indicates a sudden surge in popularity or numbers, usually referring to people.)
Pasar el día en el metro.
To spend the day on the subway. (Can imply an exhausting or extended travel experience.)
Echarse un sueñecito en el metro.
To take a little nap on the subway. (Refers to the common habit of sleeping during commutes.)
The word "metro" derives from the French "métropolitain," which refers to the Paris Métro, a rapid transit system. It was first adopted in Spanish in the late 19th century as cities began to develop underground rail systems.
In summary, "metro" is a significant term in the Spanish lexicon, especially within urban settings and transportation discussions, with broad usage and various idiomatic expressions tied to its meaning.