1mam·moth 
/ˈmæməθ/ noun
plural mam·moths /ˈmæməθ/ noun [count] 1 : a type of large, hairy elephant that lived in ancient times and that had very long tusks that curved upward 2 : something that is very large
▪ The little business she started by herself has now become a mammoth [=giant] in the industry.
▪ The little business she started by herself has now become a mammoth [=giant] in the industry.
