[1] : The Collaborative International Dictionary of English v.0.48

mammoth \mam"moth\ ma^m"mo^th, n. russ. m^amont,
   m'amant, fr. tartar mamma the earth. certain tartar races,
   the tungooses and yakoots, believed that the mammoth worked
   its way in the earth like a mole. zool.
   an extinct, hairy, maned elephant mammuthus primigenius
   formerly elephas primigenius, of enormous size, remains of
   which are found in the northern parts of both continents. the
   last of the race, in europe, were coeval with prehistoric
   man.
   1913 webster

   note: several specimens have been found in siberia preserved
         entire, with the flesh and hair remaining. they were
         imbedded in the ice cliffs at a remote period, and
         became exposed by the melting of the ice.
         1913 webster
see also:
mammuthus primigenius elephas primigenius 

[2] : The Collaborative International Dictionary of English v.0.48

mammoth \mam"moth\ ma^m"mo^th, a.
   resembling the mammoth in size; very large; gigantic; as, a
   mammoth ox.
   1913 webster

[3] : WordNet (r) 2.0

mammoth
     adj : so exceedingly large or extensive as to suggest a giant or
           mammoth; "a gigantic redwood"; "gigantic
           disappointment"; "a mammoth ship"; "a mammoth
           multinational corporation" syn: gigantic
     n : any of numerous extinct elephants widely distributed in the
         pleistocene; extremely large with hairy coats and long
         upcurved tusks
see also:
gigantic 

[4] : Moby Thesaurus II by Grady Ward, 1.0

123 moby thesaurus words for "mammoth":
   atlantean, brobdingnagian, cyclopean, gargantuan, herculean,
   homeric, jumbo, abysmal, ammonite, amplitudinous, ankylosaur,
   archaeohippus, archaeotherium, archelon, arthrodiran, astronomic,
   astronomical, aurochs, awesome, bothriolepis, boundless,
   brachiosaur, brontops, brontothere, bulky, coccostean, coelodont,
   colossal, compsognathus, coryphodon, cosmic, cotylosaur, creodont,
   crossopterygian, cynodictis, diatryma, dimetrodon, dinichthyid,
   dinosaur, dinothere, diplodocus, duck-billed dinosaur,
   edaphosaurid, elasmosaur, elephant, elephantine, enormous, epic,
   eryopsid, eurypterid, extensive, galactic, gargantuan, giant,
   giant sloth, giantlike, gigantic, glyptodont, hadrosaur, hathi,
   heroic, hippo, hippopotamus, huge, immeasurable, immense, infinite,
   jumbo, king-size, large, leviathan, massive, massy, mastodon,
   mighty, monster, monstrous, monumental, mountainous, outsize,
   overgrown, pachyderm, palaeodictyopteron, palaeoniscid, palaeophis,
   palaeosaur, palaeospondylus, pelycosaur, phytosaur, plesiosaur,
   prodigious, profound, protoceratops, protylopus, pteranodon,
   pteraspid, pterichthys, pterodactyl, pterosaur, rhino, rhinoceros,
   river horse, sauropod, scelidosaur, sizable, smilodon, spacious,
   stupendous, titanic, titanosaur, towering, trachodon, tremendous,
   triceratops, trilobite, tyrannosaur, uintathere, urus, vast,
   voluminous, weighty, whale, woolly mammoth

[5] : U.S. Gazetteer (1990)

mammoth, az town, fips 43990
  location: 32.72151 n, 110.64350 w
  population 1990: 1845 673 housing units
  area: 2.6 sq km land, 0.0 sq km water
  zip codes: 85618
mammoth, wv
  zip codes: 25132

[6] : U.S. Gazetteer Places (2000)

mammoth, az -- u.s. town in arizona
   population 2000:    1762
   housing units 2000: 697
   land area 2000:     1.083314 sq. miles 2.805770 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    1.083314 sq. miles 2.805770 sq. km
   fips code:            43990
   located within:       arizona az, fips 04
   location:             32.722140 n, 110.644209 w
   zip codes 1990:     85618
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    mammoth, az
    mammoth

Mammoth >> M Words
Mammoth, definition of term: Mammoth
mammoth_pag1.html

Woolly Mammoth >> W Words
Woolly Mammoth, definition of term: Woolly Mammoth
woolly+mammoth_pag1.html