1. A genus of dabbling ducks found in the Northern Hemisphere, including the mallard.
Usage: zoology; scientific/taxonomic term; plural: anas or anases

Examples

• The mallard belongs to the genus Anas.
• Anas platyrhynchos is the scientific name for the mallard duck.
• Ornithologists study various species within the genus Anas.
• The dabbling ducks in the Anas genus are common in wetlands across North America.