- a small diving duck, Histrionicus histrionicus, of North America and Iceland, the male of which has bluish-gray plumage marked with black, white, and chestnut.
Origin of harlequin duck
First recorded in 1765–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a northern sea duck, Histrionicus histrionicus, the male of which has a blue and red plumage with black and white markings