What is the local name of mount Everest and what does it mean?

The local names for Mount Everest are:

Nepal Name: The official Nepalese name for Mount Everest is Sagarmatha which means 'Mother of the Universe'

Tibetan Name: The official Tibetan name for Mount Everest is Qomolangma or

Chomolungma which means 'Goddess Mother of the World'

Rest Of The World: Mount Everest