Check out this online dictionary called WordStash, which has an interface providing a feel of flashcards. To begin, look up a word and read the definition.
To obtain the most for this tool, create an account. A Teacher account will allow you to create lists of words you can publish for your students. Teachers will have the ability to create a class, and allow students in that class easy access to the lists and terms available to study. A Student account must be linked to an email address. Students will also have the ability to create lists of words which they can share publicly or keep private.
When creating a list of terms, you have the option of choosing a WordStash definition, or typing your own. Popular activities inside Word Stash include Learning Mode, Practice Mode, Play Match Game, and Quiz me.
Follow Wordstash updates on their blog at http://wordstash.tumblr.com/. Try it out, as this site could be a great enhancement for your vocabulary resources.
