Artha: offline dictionary for linux
Artha is nice and well written dictionary application for Linux. The good thing about it is that it can work offline, which means it will pull the database during installation so that it can work offline. So next time if you are not connected to internet and want to search some word meaning, Artha will do the job well.
How to install it in elementary/Ubuntu, fire up terminal and type:
sudo apt-get install artha
How to install it in openSUSE, type in terminal after became root by
zypper install artha
And there you have it.