mammoth

 
Pronunciation: /ˈmaməθ/

noun

  • a large extinct elephant of the Pleistocene epoch, typically hairy with a sloping back and long curved tusks.
    • Genus Mammuthus, family Elephantidae: several species. See woolly mammoth

adjective

  • huge: a mammoth corporation

Origin:

early 18th century: from Russian mamo(n)t, probably of Siberian origin