(n.) Any bird of the genus Merganser, and allied genera. They are allied to the ducks, but have a sharply serrated bill.
Example Sentences:
(1) 5 to 10% of the DNA of M. serrator and the closely related Mergus merganser.
(2) Two highly repeated nucleotide sequences (RBMI and RBMII) cloned from an EcoRI digest of DNA of the redbreasted merganser (Mergus serrator) account for approx.
Smew
Definition:
(n.) small European merganser (Mergus albellus) which has a white crest; -- called also smee, smee duck, white merganser, and white nun.