Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
Lukk
British English Dictionary 1.19.1.2webext
av Mark Tyndall
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.
To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".