1. a railway system in which trains run on a single rail or track, typically elevated above the ground

Examples

• The monorail connects the airport to downtown in just fifteen minutes.
• Disney World’s monorail system transports guests between parks and hotels.
• The city is considering building a monorail to reduce traffic congestion.
• We rode the monorail to get a bird’s-eye view of the city.
• The sleek monorail glided silently above the busy streets below.
• Construction of the new monorail line will begin next year.