Definify.com
Webster 1913 Edition
Ring-necked
Ring′-neckedˊ
,Adj.
(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
.