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Meaning of dinosaurian

di•no•sau•ri•an

Pronunciation: (dī"nu-sôr'ē-un), [key]
— adj.
  1. pertaining to or of the nature of a dinosaur.
—n.
  1. a dinosaur.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.