highlight

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. An area or a spot in a drawing, painting, or photograph that is strongly illuminated.
2. n. An especially significant or interesting detail or event.
3. v. To give a highlight to (the subject of a painting, for example).
4. v. To make prominent; emphasize.
5. v. To be a highlight of.
6. v. To mark (important passages of text) with a usually fluorescent marker as a means of memory retention or for later reference.

Wiktionary

1. n. An area or a spot in a drawing, painting, or photograph that is strongly illuminated.
2. n. An especially significant or interesting detail or event.
3. v. : To make prominent; emphasize.
4. v. : To be a highlight of.
5. v. : To mark (important passages of text) with a usually fluorescent marker as a means of memory retention or for later reference.

GNU Webster's 1913

1. v. To emphasize or call attention to, by moving into the foreground or otherwise making more prominent.
2. v. To make (part of a text or image) more prominent, especially by making it of a lighter hue or of a different color than the remaining part.
3. n. The part of an image that has the most intense light.
4. n. The most memorable or enjoyable part; -- of events or activities.

WordNet 3.0

1. v. apply a highlighter to one's cheeks or eyebrows in order to make them more prominent
2. n. an area of lightness in a picture
3. n. the most interesting or memorable part
4. v. move into the foreground to make more visible or prominent