This is a very simple web app that just grabs the latest word tweeted by @aparrish's @everyword and shows a definition.
Sure! This was built with Python on Tornado using Redis as a data store and assuming Heroku for deployment.
I took a bunch of hints on how to do the Google dictionary parsing from a script written by Sridarshan Shetty, and Allison Parrish's Mimetree is a great into to Redis for this kind of stuff.