WordWeb Online

1. An area of lightness in a picture
   - highlight

1. Move into the foreground to make more visible or prominent
   "The introduction highlighted the speaker's distinguished career in linguistics";
   - foreground, spotlight, play up
    
2. Apply a highlighter to one's cheeks or eyebrows in order to make them more prominent
   "highlight the area above your eyebrows"

Type of: bring out, light, lightness, make up, set off

Encyclopedia: Highlighting