Similar words: well-to-do, have to do with, stodgy, custody, orthodontist, custodian, custodial, mast. Meaning: ['mæstədɑn /-dɒn] 
n. extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth.
n. extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth. 
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1. Now it is a dumb, stupid mastodon of a thing, crawling off to Bal Harbour to die.
2. Isn't the mastodon from the Pliocene Epoch?
3. Okay (Sentencedict.com ), now the Mastodon is from the semi - late Jurassic period.
4. North American mastodon; in some classifications considered a mammoth rather than a mastodon.
5. Barnum called one of these animals, "The last mastodon on earth".
6. They hunted huge creatures like the mastodon, which were similar to the modern elephant.
7. Barney : Hi that's not a mastodon, its Fred singing.
8. They are built around speed, not size, at a time when mastodons rule the earth.
9. The researchers also made what they say are the first sequences of nuclear DNA from the extinct American mastodon.
10. The mammoths should not be confused with the American mastodon (Mammut americanum), another ancient elephant from North and Central America.
11. The researchers compared sequences of DNA from the nuclei of African and Asian elephants, and from woolly mammoths and the American mastodon.
12. She says they were only made for scenery - like the rhinoceros and the mastodon.
More similar words: well-to-do, have to do with, stodgy, custody, orthodontist, custodian, custodial, mast, master, mastiff, masticate, headmaster, mastectomy, masturbate, masterpiece, as to, schoolmaster, master's degree, pastor, cast off, castor, so as to, impasto, astound, astonish, pastoral, castor oil, astonished, astounded, astounding.