Back when I used Chrome, there used to be an option when you could right-click a word and get an option in the context menu to "look up". In Firefox this doesn't seem to be the case. Is there a way to enable this? For those of you who don't know what feature I'm talking about, here's Apple's write up: https://support.apple.com/guide/mac-help/look-up-words-mchl3983326c/10.14/mac/10.14 I've also included screenshots of the feature working in Chrome.