- a stiff-tailed American duck, Oxyura jamaicensis, the adult male of which has a brownish-red body, black crown, and white cheeks.
Origin of ruddy duck
An Americanism dating back to 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a small duck, Oxyura jamaicensis, that inhabits marshes, ponds, etc, in North America and N South America and has a stiff upright tail. The male has a reddish-brown body and blue bill in the breeding season