What does "pochard" mean?

Any of various diving ducks of the subfamily Aythyinae (genera Aythya and Netta), especially the common pochard, Aythya ferina.

What is a synonym for "pochard"?

Common synonyms include: aythya ferina, diving duck, drunkard, lush, sot, tippler.

/ˈpəʊtʃəd/ noun

noun ·Rare ·Advanced level

Noun

1
Any of various diving ducks of the subfamily Aythyinae (genera Aythya and Netta), especially the common pochard, Aythya ferina.
2
heavy-bodied Old World diving duck having a grey-and-black body and reddish head wordnet

Apparently originally from poach (“to poke”) + -ard. Compare poker.