1. a large, slow-moving aquatic mammal with flippers and a paddle-shaped tail, found in warm coastal waters and rivers

Examples

• The manatee grazed peacefully on seagrass in the shallow lagoon.
• Boaters are required to slow down in areas where manatees are present.
• The Florida manatee is an endangered species protected by federal law.
• We spotted a mother manatee swimming with her calf near the dock.
• Manatees can hold their breath underwater for up to 20 minutes.
• The gentle manatee approached our kayak with curiosity.
• Crystal River is famous for its manatee watching tours.