my dictionary is only showing wikipedia

I just had an update to my OS Sierra. My Dictionary only shows wikipedia. I have no thesaurus, no dictionary,.....nada....nothing...what can be done to get it back?

MacBook Pro with Retina display, OS X Mountain Lion (10.8.4)
Has invited:

howapple - hello

Favor from:

I have nada to. Same problem. Não funciona.

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