Ring"-necked` (?), a. Zool.

Having a well defined ring of color around the neck.

Ring-necked duck Zool., an American scaup duck (Aythya collaris). The head, neck, and breast of the adult male are black, and a narrow, but conspicuous, red ring encircles the neck. This ring is absent in the female. Called also ring-neck, ring-necked blackhead, ringbill, tufted duck, and black jack.

 

© Webster 1913.

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