Define :: the Google search commandSynposis: List a collection of definitions for the keyword
Sample search: Define the acronym 'seo'
With the define search command Google will list possible definitions for aconyms or even basic words (for example, define:search). These definitions are drawn from selected and trusted websites but may disagree with one another. Acronyms with valid alternative definitions also have each definitions listed.
In 2006 Google added the Related phrases strap of hyperlinks to the top of the define SERPs and multilingual definitions at the bottom of the page.