1. a large white whale found in Arctic waters
2. a large sturgeon that produces valuable caviar

Examples

• The beluga whale is known for its distinctive white color and rounded head.
• Belugas are highly social marine mammals that live in pods.
• The aquarium's beluga exhibit attracts thousands of visitors each year.
• Beluga caviar is considered one of the most expensive delicacies in the world.
• The beluga sturgeon can grow to enormous sizes in the Caspian Sea.
• Conservation efforts are underway to protect beluga populations from overfishing.