noun
1. freshwater duck of the northern hemisphere having a broad flat bill
• Syn: ↑shoveler, ↑shoveller, ↑Anas clypeata
• Hypernyms: ↑duck
• Member Holonyms: ↑Anas, ↑genus Anas
2. diving ducks of North America having a bluish-grey bill
• Syn: ↑scaup, ↑scaup duck, ↑bluebill
• Hypernyms: ↑duck
• Hyponyms: ↑greater scaup, ↑Aythya marila, ↑lesser scaup, ↑lesser scaup duck, ↑lake duck, ↑Aythya affinis
• Member Holonyms: ↑Aythya, ↑genus Aythya
3. tropical American heron related to night herons
• Syn: ↑boatbill, ↑boat-billed heron, ↑Cochlearius cochlearius
• Hypernyms: ↑heron
• Member Holonyms: ↑Cochlearius, ↑genus Cochlearius
4. small birds of the Old World tropics having bright plumage and short wide bills
• Hypernyms: ↑passerine, ↑passeriform bird
• Member Holonyms: ↑Eurylaimidae, ↑family Eurylaimidae
Useful english dictionary. 2012.