noun Mas·to·don·sau·rus

Definition of Mastodonsaurus

  1. :  a genus of Old World Triassic amphibians containing the largest known labyrinthodonts with the skull over four feet long and having at the front of the lower jaw a pair of short tusks that close into openings piercing the premaxillae

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Origin and Etymology of mastodonsaurus

New Latin, from Mastodon + -saurus

Seen and Heard

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capable of being understood in two ways

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