1. Plural of finback; large baleen whales of the genus Balaenoptera, characterized by a prominent dorsal fin and streamlined body.
Usage: Also called fin whales; Marine biology term

Examples

• Finbacks are the second-largest animals on Earth, after blue whales.
• The research team observed a pod of finbacks migrating through the Atlantic.
• Finbacks can reach speeds of up to 25 miles per hour when hunting.
• Marine biologists study finbacks to understand their feeding patterns.
• The distinctive dorsal fin of finbacks makes them easy to identify at sea.