1. Fern of tropical America: from southern United States to West Indies and Mexico to Brazil
   - black-stemmed spleenwort, little ebony spleenwort

Type of: spleenwort

• thoracic aorta
• thoracic cavity
• thoracic duct
• thoracic medicine
• thoracic nerve
• thoracic outlet syndrome
• thoracic vein
• thoracic vertebra
• thoracocentesis
• thoracoepigastric vein
• thoracotomy
• thorax
• Thorazine
• Thoreau
• Thoreauvian
• thoria
• thoriate
• thoriated
• thorite
• thorium
• thorium-228
• thorn
• thorn apple
• thorn-tipped
• thornback