noun Date: 1831 a North American duck ( Aythya collaris ) that has a white ring around the bill and in the male a faint narrow chestnut ring encircling the neck
RING-NECKED DUCK
Meaning of RING-NECKED DUCK in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012