1. Plural of oldsquaw; a diving duck (Clangula hyemalis) found in northern regions, the male of which has distinctive black and white plumage.
Usage: ornithology; The term 'oldsquaw' is considered outdated; the bird is now more commonly called a 'long-tailed duck'.

Examples

• Birdwatchers spotted a flock of oldsquaws on the frozen lake.
• The oldsquaws migrate to Arctic waters during breeding season.
• In winter, oldsquaws can be seen diving for food in coastal areas.
• The male oldsquaws display striking black and white coloring.
• Ornithologists now prefer the name 'long-tailed ducks' instead of oldsquaws.