highlight

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An area or a spot in a drawing, painting, or photograph that is strongly illuminated.
• noun An especially significant or interesting detail or event.
• noun Strands of hair that have been lightened, as by bleaching or coloring.
• transitive verb To give a highlight to (the subject of a painting, for example).
• transitive verb To make prominent; emphasize.
• transitive verb To be a highlight of.
• transitive verb To mark (important passages of text) with a usually fluorescent marker as a means of memory retention or for later reference.
• transitive verb To lighten (strands of hair), as by bleaching or coloring.

from the GNU version of the Collaborative International Dictionary of English.

• noun The part of an image that has the most intense light.
• noun The most memorable or enjoyable part; -- of events or activities.
• transitive verb To emphasize or call attention to, by moving into the foreground or otherwise making more prominent.
• transitive verb 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An area or a spot in a drawing, painting, or photograph that is strongly illuminated.
• noun An especially significant or interesting detail or event.
• noun cosmetics A strand or spot hair dyed a different color than the rest.
• verb transitive To make prominent; emphasize.
• verb transitive To be a highlight of.
• verb transitive To mark (important passages of text) with a usually fluorescent marker as a means of memory retention or for later reference.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb apply a highlighter to one's cheeks or eyebrows in order to make them more prominent
• noun an area of lightness in a picture
• noun the most interesting or memorable part
• verb move into the foreground to make more visible or prominent