If you are ever reading a blog post and see a word you don’t recognize, click Ctrl+Click or right click on the word and you’ll get a contextual menu. You can choose to quickly look that word up in Mac OS X’s dictionary, or start a Google search with that word.
Related: Quickly Always Open With, Dictionary/Thesaurus question, Using TextEdit to Open Microsoft Word Documents, Google Search On Selected PDF Text, Default Search Location.
