9 letters · 17 points in Scrabble
noun large crested fish-eating diving duck having a slender hooked bill with serrated edges
noun Old World gooselike duck slightly larger than a mallard with variegated mostly black-and-white plumage and a red bill
originFrom Middle English sheld- (“parti-colored”) (akin to Middle Dutch shillede) + drake (“male duck”).
Etymology from Wiktionary, CC BY-SA 3.0