1. European wild horse extinct since the early 20th century
   - tarpan

Type of: wild horse

• Ouranopithecus
• Ouranos
• ours
• ourself
• ourselves
• Ouse
• Ouse River
• ousel
• oust
• ouster
• ousting
• out
• out and away
• out front
• out in
• out loud
• out of
• out of action
• out of bounds
• out of breath
• out of doors
• out of gear
• out of hand
• out of it
• out of keeping