1. Diving ducks of North America having a bluish-grey bill
   - scaup duck, bluebill, broadbill

Derived forms: scaups

Type of: duck

Part of: Aythya, genus Aythya

Encyclopedia: Scaup

• obelus
• Oberon
• Oberson
• obese
• obesity
• obesity diet
• obey
• obfuscate
• obfuscation
• obfuscatory
• obi
• obidoxime chloride
• obiism
• obit
• obiter
• obiter dictum
• obituary
• object
• object ball
• object code
• object glass
• object language
• object lens
• object lesson
• object of a preposition