- any of several typically crested large marine diving ducks of the genus Mergus, having a long slender hooked bill with serrated edges
See also goosander
WordReference Random House Unabridged Dictionary of American English © 2026
mer•gan•ser
(mər gan′sər),USA pronunciation n., pl. -sers, (esp. collectively) -ser.
- Birdsany of several fish-eating diving ducks of the subfamily Merginae, having a narrow bill hooked at the tip and serrated at the edges.
- Neo-Latin, equivalent. to Latin merg(us) diver, a kind of water bird + ānser goose
- 1745–55
Collins Concise English Dictionary © HarperCollins Publishers::
merganser /mɜːˈɡænsə/ n ( pl -sers, -ser)
'merganser' also found in these entries (note: many are not synonyms or translations):