<p>The basic idea here is that you can easily link to the wikipedia entry for a given topic by putting the [wikipedia]topic[/wikipedia] tag into your post. The tag is replaced by a link that executes the wikipedia search form for that topic.</p>
<p>The plan is to augment this with a mouseover popup containing an excerpt from the wikipedia page.</p>


Wp-Wikipedia-Excerpt

This plugin replaces [wikipedia]topic[/wikipedia] with a wikipedia search link for that term.

eduardosada

<p>WikiLink WordPress plugin is an easier way to link to Wikipedia. Allows you to see a Wikipedia definition but without leaving your blog.</p>
<h4>Licence</h4>
<p>This plugins is released under the MIT, you can use it free of charge on your personal or commercial blog.</p>


Wp-Wikipedia-Excerpt vs WikiLink