Re:Firefox 88.0
by sdawg123 on Tuesday April 20, 2021 @09:59AM
(#26874764)
I just recently found out, you can use "Look Up" on Firefox for Macs, by tapping a word (or highlighted text) with three fingers on the trackpad.
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I found it! It's the "Look up & data detectors" setting under System Preferences > Trackpad. For whatever reason mine was set to "Force Click with one finger" which I never use and had trouble consistently activating. The other option is "Tap with three fingers."
⌘-^-D the keyboard shortcut also works.
Firefox has had some bugs around this.
https://superuser.com/questions/1138014/how-to-use-three-fin...