1. A large extinct wild ox that lived in Europe, Asia, and North Africa, with long horns and a massive build; an ancestor of modern domestic cattle.
Usage: Usually used in singular or plural form (aurochs or aurochses).; Also called urus.

Examples

• The aurochs went extinct in the 17th century.
• Ancient cave paintings depict aurochs hunted by early humans.
• Scientists have studied aurochs remains to understand the evolution of cattle.
• The aurochs was much larger than modern cattle breeds.
• Medieval hunters prized the aurochs for its size and strength.