1. Eastern North American plant having a terminal cluster of small white flowers and medicinal roots
   - Seneka snakeroot, senga root, senega root, senega snakeroot, Polygala senega

Type of: milkwort

• external storage
• external-combustion engine
• externalisation
• externalise
• externalism
• externality
• externalization
• externalize
• externally
• exteroception
• exteroceptive
• exteroceptor
• exterritorial
• extinct
• extinction
• extinction angle
• extinguish
• extinguishable
• extinguished
• extinguisher
• extinguishing
• extinguishment
• extirpable
• extirpate
• extirpation