Any of various large, hairy, extinct elephants of the genus Mammuthus, especially the woolly mammoth.(noun)
Something of great size.(noun)
Of enormous size; huge. See Synonyms at enormous.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mammoth" in a sentence
"And suddenly the term mammoth, no longer just referring to an animal, meant anything big."
"We hunted large game; a mammoth is a risky proposition."
"They were his picture books, and he could take one in hand, perhaps a sketch of the great hairy elephant which we call the mammoth, and show it around the circle and then tell the story of that hunt."