1. Large crested fish-eating diving duck having a slender hooked bill with serrated edges
   - merganser, fish duck, sawbill 
2. Old World gooselike duck slightly larger than a mallard with variegated mostly black-and-white plumage and a red bill

Derived forms: sheldrakes

Type of: duck, sea duck

Part of: genus Mergus, genus Tadorna, Mergus, Tadorna

Encyclopedia: Sheldrake

• haemagglutination
• haemal
• haemal arch
• haemangioma
• Haemanthus
• Haemanthus coccineus
• haematal
• haematemesis
• haematic
• haematin
• haematinic
• haematite
• haemato-
• Haematobia
• Haematobia irritans
• haematocele
• haematochezia
• haematocoele
• haematocolpometra
• haematocolpos
• haematocrit
• haematocytopenia
• haematocyturia
• haematogenesis
• haematogenic