1. plural of canvasback; large North American diving ducks with reddish-brown heads and necks, prized as game birds

Examples

• The hunters spotted a flock of canvasbacks on the lake.
• Canvasbacks are known for their distinctive sloping profiles.
• The wildlife refuge provides important habitat for canvasbacks during migration.
• Canvasbacks dive underwater to feed on aquatic plants and small animals.
• The restaurant featured roasted canvasbacks as a seasonal specialty.
• Birdwatchers gathered early to observe the canvasbacks before they flew south.