Webster's Revised Unabridged Dictionary · 1913

Ringbill

Ringbill , noun

(Zoology) The ring-necked scaup duck; -- called also ring-billed blackhead. See Scaup.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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