1. a large marine mammal with flippers and a tail, related to the manatee, found in warm coastal waters of the Indian and Pacific oceans

Examples

• The dugong is an endangered species that feeds on seagrass.
• Dugongs can grow up to 10 feet long and weigh over 800 pounds.
• Marine biologists are working to protect dugong habitats in Australia.
• The dugong’s closest living relative is the manatee.
• Local fishermen reported seeing a dugong near the coral reef.
• Dugongs are gentle herbivores that graze on underwater vegetation.