1. Large harmless shiny black North American snake
   - black rat snake, blacksnake, pilot blacksnake, Elaphe obsoleta

Derived forms: mountain blacksnakes

Type of: rat snake

Part of: Elaphe, genus Elaphe

• cotton wool
• cotton-picking
• cotton-seed tree
• cottonmouth
• cottonmouth moccasin
• cottonseed
• cottonseed cake
• cottonseed oil
• cottontail
• cottontail rabbit
• cottonweed
• cottonwick
• cottonwood
• cottony
• cottony-white
• Cottrell precipitator
• Cottus
• Cotula
• Cotula coronopifolia
• Coturnix
• Coturnix communis
• Coturnix coturnix
• cotyledon
• cotyloid
• cotyloid cavity