Firefox addon.

[Counterfeit]

I've managed to make my own JavaScript to define the word currently selected.

javascript:void(location.href='http://www.google.co.uk/search?q='+'define:%20'+document.getSelection())

Does anyone here know how I can turn this into a right click option in Firefox?

Lol no clue, but i bet it will be extremely difficult to do....

[Zet]

I found this in google, but not sure how much of a help it will be http://javascript.internet.com/page-...lick-menu.html

[Counterfeit]

@XaRhS
Firefox addons are only java applets, it wouldn't be too difficult at all.
I just don't know how to do it myself.. xD

@Shinjiro
Nah, that's web page specific; It'd only work if every page had that code. :/

Thanks anyway though. :]

[X-626]

I decided to give it a shot. I found some useful resources that you can use, should you decide to make your own. I made an extension that will define the currently selected word and open it in a new tab.
Here's how to install it:

1. Go to where you downloaded it
2. Change the .zip to .xpi
3. Go to Tools->Add-ons
4. Drag the file into the Add-ons window
5. Allow the add-on to install
6. Restart Firefox

Now, all you have to do is select a word, right click, and select "Define Selected".

Here are some of the resources I used:
http://www.rietta.com/firefox/Tutorial/
https://developer.mozilla.org/en/
http://kb.mozillazine.org/

This is my first attempt at a Firefox extension. Should you have any issues with it, please let me know. I'll see what I can do. I had to change the extension because the forum won't allow .xpi (Note: Firefox extensions are actually ZIP files, anyway)

Edit: Whoops...forgot to add how to change the file extension.
Assuming you have never had to change an extension, Windows will hide known file extensions. Setting it to show them is quite easy. Here's how (using the Classic Control Panel view):

1. Go to the Control Panel (Start->Control Panel)
2. Double-click on Folder Options
3. Go to the View tab
4. Uncheck "Hide Extensions for Known File Types"
5. Click OK

After that, it will show all file extensions. You will then be able to do step 2 in the installation instructions.

Also, note that, while I do believe that this add-on is perfectly safe to install, you are doing so at your own risk. I take no responsibility whatsoever if this extension (some how) messes anything up. I've been testing it a lot, and it appears to be functioning perfectly, so there should be no need to worry.