1. plural of viscacha: large South American rodents related to chinchillas, with long ears and bushy tails

Examples

• The viscachas emerged from their burrows at dusk to forage for food.
• Mountain viscachas are well-adapted to life in the high Andes.
• The researcher studied the social behavior of plains viscachas in Argentina.
• Viscachas use their strong hind legs to leap between rocks.
• The fur of viscachas is prized for its softness and warmth.
• Local farmers sometimes consider viscachas agricultural pests.