waxbill

noun
wax·​bill | \ ˈwaks-ˌbil How to pronounce waxbill (audio) \

Definition of waxbill

: any of numerous Old World oscine birds (family Estrildidae, especially genus Estrilda) having white, pink, or reddish bills of a waxy appearance

First Known Use of waxbill

1757, in the meaning defined above

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