[Utilizer]

Oh, and I forgot: in Opera, if you drag the cursor over the word to highlight it, then right-click on it, a little menu pops up where you can click either Search (with the default search engine), or Search Within (any of the search engines you have available).

Not too difficult.

[mikrofon]

This works similarly with the Add-in enabled in Pale Moon:

I've accumulated 30+ Search Bar sites, quite convenient…