from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun large duck-billed dinosaur of the Cretaceous period


Sorry, no etymologies found.


  • Triceratops with its ruffed collar, tyrannosaurus of the fearful teeth, ankylosaurus the plated ambulating tank, trachodon the gentle duck-billed monster-all had vanished.


  • Prof. Challenger (Wallace Beery) and Prof. Summerlee (Arthur Hoyt) behold the death struggle between allosaursus and trachodon.

    The Lost World

  • We may take it for granted that the pterodactyl and the trachodon had none of the foreboding based on experience which destroys the peace of man.

    The Conquest of Fear


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