The phrase "dictation feature" refers to a function on a device or app that allows you to speak instead of type, and it will convert your speech into written text. Full definition
Using Siri (and the even less polished dictation feature on Android phones), you might have to correct two or three errors per paragraph. (scientificamerican.com)
In this training, I'm going to share with you the steps on how to use the free voice dictation feature in Google Docs. (trainingauthors.com)
You can now use the free voice dictation feature in Google Docs. (trainingauthors.com)