Noun mastodont has 1 sense
  1. mastodon, mastodont - extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
    --1 is a kind of proboscidean, proboscidian
    --1 is a member of Mammut, genus Mammut, genus Mastodon
    --1 has particulars: American mastodon, American mastodont, Mammut americanum
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