1. Wild horse of central Asia that resembles an ass; now endangered
   - Przewalski's horse, Przevalski's horse, Equus caballus przevalskii

Type of: wild horse

• xerosis
• xerostomia
• xerotes
• xerox
• xerox copy
• Xerox machine
• Xerxes
• Xerxes I
• Xerxes II
• Xerxes the Great
• Xestobium rufovillosum
• Xhosa
• xi
• Xian
• xii
• xiii
• Ximenesia encelioides
• Xinjiang
• Xinjiang Uighur Autonomous Region
• Xiphias
• Xiphias gladius
• Xiphiidae
• xiphisternum
• xiphium iris
• xiphoid