Review for Dictionary Switcher by Trumpetisto
Rated 3 out of 5 stars
Dictionary Switcher 0.8 works with Firefox only!!!
See Dictionary Switcher for Thunderbird:
Home Page: http://en.design-noir.de/mozilla/dictionary-switcher-tb/
DOWNLOAD it: http://en.design-noir.de/mozilla/dictionary-switcher-tb/1.1.3.xpi
To create your own collections, you must have a Mozilla Add-ons account.