1. Mountains that are at least 14,000 feet (approximately 4,267 meters) above sea level.
Usage: Primarily used in mountaineering and geography, especially in North America.; Plural form; singular is 'fourteener'.

Examples

• Colorado has 53 fourteeners, making it a popular destination for peak baggers.
• Climbing all the fourteeners in the Rocky Mountains is a challenging goal for many hikers.
• The fourteeners of California include Mount Whitney, the tallest peak in the contiguous United States.
• Many mountaineers keep a list of fourteeners they have summited.
• The fourteeners in the Cascade Range attract climbers from around the world.