1. a small, carnivorous freshwater fish native to South America, known for its sharp teeth and aggressive feeding behavior
Usage: also spelled piranha; often used in plural form; common in educational and popular contexts

Examples

• The piraya is one of the most feared fish in the Amazon River.
• A school of pirayos can strip a large animal to the bone in minutes.
• The documentary showed pirayos hunting in the murky waters of the rainforest.
• Despite their reputation, pirayos rarely attack humans.
• The aquarium had a tank of pirayos on display for visitors to observe.