noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of the genus Aythya of scaups.
2. 2
   diving ducks of North America having a bluish-grey bill wordnet
3. 3
   Any of the genus Spermophaga of estrildid finches found in tropical Africa.

Synonyms

All synonyms

bluebilled duckbroadbillduckscaupscaup duckwaterfowl

Etymology

From blue + bill.