Tram/træm/ Definition 1 of 3Pro Tip 1/3Urban Transport A tram is often used in cities for public transportation, similar to buses or metro trains. Many European cities have an extensive tram network. Pro Tip 2/3Fixed Route Trams run on set paths defined by rails, unlike buses that have more flexible routes. You can't hail a tram anywhere; catch it at the tram stop. Pro Tip 3/3Electricity Powered Most modern trams are powered by electricity, often from overhead cables. Look above the tram, and you'll see the power lines it connects to.