MERGANSERS
Scrabble letter values: M3E1R1G2A1N1S1E1R1S1 = 13
Definition
MERGANSERS is the plural of MERGANSER.
noun MERGANSER: large crested fish-eating diving duck having a slender hooked bill with serrated edges.
Synonyms of MERGANSER: fish_duck, sawbill, sheldrake