Originally Posted by oldnat
But how can I define which dictionary is used?
Unfortunately, you cannot.
The dictionary is selected according to the GUI language and the language metadatum of the book you are viewing, as explained in Section "Dictionary management on the Odyssey" of
Unfortunately, Bookeen is refusing to implement a simple selector menu for the dictionaries, plus they are not releasing an official specification for creating them, plus they are censoring the comments of people complaining about their unfulfilled promises about dictionary management and other features (like Bluetooth on the Orizon).
I find quite ironic that they post on their blog replies like the following one: