Mamba
/ˈmæmbə/
Definition 1 of 2
Pro Tip 1/3African Wildlife
The word 'mamba' refers specifically to dangerous African snakes, so use it in topics about wildlife or Africa. 
The safari guide told us about the mamba's habitat in the savanna.
Pro Tip 2/3Color Prefix
'Mamba' often comes with a color prefix, like black or green, to specify the snake species. 
The green mamba is less venomous than the black mamba.
Pro Tip 3/3Venom Potency
When 'mamba' is used, it implies a highly venomous snake; emphasize the danger in relevant contexts. 
After the rain, mambas are more active, so be extra cautious.