odeon /ōˈdi-ən, -dyən or -dēˈ/, also odeum /-əm/

1. In ancient Greece and Rome, a theatre for musical contests, etc
2. A concert hall

• thoracocenteses
• thoracocentesis
• thoracoplasties
• thoracoplasty
• thoracoscope
• thoracoscopes
• thoracostomies
• thoracostomy
• thoracotomies
• thoracotomy
• Thorah
• thorax
• thoraxes
• thoria
• thorias
• thorite
• thorites
• thorium
• thoriums
• thorn
• thorn apple
• thorn apples
• thornback
• thornbacks
• thornbill