A little tip: how to use Quicksilver to look-up words in Tiger’s Dictionary app.
First install and configure the software:
Then, whenever you want to look-up a word in the dictionary, do this:
At this point the Dictionary application should launch and try to find your word.
If you’ve made it to here you might enjoy Merlin Mann’s Quicksilver tips at 43 Folders and John Gruber’s in-depth tips about invoking the Dictionary at Daring Fireball.