1. plural of grackle; large blackbirds with iridescent feathers and long tails, common in North America

Examples

• The grackles gathered in large flocks on the telephone wires.
• Grackles are known for their loud, harsh calls.
• The parking lot was full of grackles searching for food scraps.
• Common grackles have distinctive yellow eyes.
• The grackles’ feathers shimmered purple and green in the sunlight.
• Farmers sometimes consider grackles to be pests because they eat crops.