bluebill
nounUS /ˈbluˌbɪl/
Etymology From blue + bill.
1
Any of the genus Aythya of scaups.
2
Any of the genus Spermophaga of estrildid finches found in tropical Africa.
- Related terms
- Argentine blue-bill
- Hyponyms
- greater scaup, lesser scaup
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.