1. an extinct elephant-like mammal with long curved tusks and a hairy coat that lived during the Miocene and Pleistocene epochs
Usage: paleontology
2. something of great size or power
Usage: figurative

Examples

• The museum displayed a complete mastodont skeleton from the Ice Age.
• Paleontologists discovered mastodont fossils in the ancient riverbed.
• The mastodont was smaller than a mammoth but still impressive in size.
• Corporate mastodonts dominated the industry for decades.
• The old factory was a mastodont of industrial architecture.
• Scientists study mastodont remains to understand prehistoric ecosystems.