Having been formed with or possessing a crest or ridge-like structure; adorned with or characterized by a prominent raised feature.
From 'cristate' with the suffix '-ed' indicating a state of being or possession. It's an alternative form emphasizing the process or result of having a crest.
Whether it's a cristated dinosaur with a head crest or a cristated architectural molding, the suffix tells you something has been given or acquired that special ridge-top feature.
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