n 1  :  any of several very venomous Asian and African elapid snakes of the genera Naja and Ophiophagus that when excited expand the skin of the neck into a broad hood by movement of the anterior ribs - see INDIAN COBRA KING COBRA   2  :  either of two African snakes that spit their venom from a distance  a  :  BLACK-NECKED COBRA  b  :  RINGHALS  3  :  MAMBA .
 
 
 
Similar sounding terms:  CBR 
 
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