1. plural of nutria; large semiaquatic rodents native to South America, also called coypus

Examples

• Nutrias have become an invasive species in Louisiana wetlands.
• The fur of nutrias was once highly valued in the fashion industry.
• Wildlife officials are working to control the nutria population.
• Nutrias can damage levees and marsh vegetation with their burrowing.
• The large rodents known as nutrias were originally imported for fur farming.
• Nutrias are excellent swimmers and spend much of their time in water.