A funicular (from Latin, funiculus, the diminutive of funis, "rope") also called funicular railway, inclined railway, inclined plane, or, in the United Kingdom, a cliff railway, is a type of self-contained cable railway in which a cable attached to a pair of tram-like vehicles on rails moves them up and down a very steep slope, utilizing one ascending and one descending tram cabin to counterbalance each other.