Definitions for "Lip Reading"
The ability to understand what is being said by seeing lip motion and mouth shapes, relating this to words.
The ability to gain understanding of what is being said by watching the lips as well as by watching the face, expressions, and gestures. The term speech reading is now recognized as more descriptive because it includes watching the facial expressions, gestures, and body language as well as the lips.
The ability to understand a speaker by watching the movement of the mouth and facial expressions. Speech reading is another term used for this which also contains interpretations of hand gestures and body language.