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I have a web application that serves as a dictionary, and it ranks well in Google when searching for a rare word in my language (the dictionary's target language). I want the result to appear in the define: some-word, as well as in the search results when someone uses the filter tool Dictionary.

Should I add some special meta-tag in the head of the HTML? How about microdata?

Does google have a special webmaster tool for registering dictionaries like: wordnetweb.princeton.edu or en.wiktionary.org?

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You question has been closed for several reasons, a) you've asked many questions within a question - please narrow down to a singular question when possible. b) Please avoid opinionated questions, questions like what meta tags should I use or should I use micro-data would be based on opinions which we try to avoid with fact based questions and answers. For help deciding on board and opinionated questions please refer to our chat where we have many active members who will be more than happy to give their opinion. –  bybe Nov 12 '13 at 17:26
Sorry - but I believe the question is quite specific, and it concerns a very narrow class of web applications - dictionary. I've done some research about it but could not find anything related to these kind of applications. –  vonPetrushev Nov 12 '13 at 18:53
I'll re-open and attempt to answer your question. –  Stephen Ostermiller Nov 13 '13 at 0:32

1 Answer 1

up vote 2 down vote accepted

The define: <word> that Google shows at the top of the page is a type of Google one box. Google shows these special displays at the top of the search results for things like searches for:

  • images
  • video
  • stocks
  • currency
  • maps

Google does not use microdata to power one boxes. Rather it chooses the sites to feature manually and writes code to do so.

The only ways to get your site featured in the define: one box for your language would be:

  • Contact Google and get through to the right engineer (a very difficult prospect)
  • Hope that when Google rolls this feature out to your language, that you site is one of the top dictionaries and is found by the the engineers at Google that are implementing this feature.

Dictionary definitions have semantic markup built into HTML. This is one of the few cases of semantic tags that have been in HTML since its earliest days. Because semantic tags exist in HTML itself, there is no schema.org markup for dictionary definitions. Use the following tags:

  • <dl> - Definition list
  • <dt> - Defined term
  • <dd> - Dictionary definition

For more information, see this excellent article.

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