Dictionary:

Delicious

  (dĭ-lĭsh'əs)

A variety of sweet apple whose flesh is often streaked with yellow and red.

Ranking a Web site by users who like the content rather than by the total number of links to the site. Social bookmarking sites such as del.icio.us (http://del.icio.us) let users tag their favorite sites with key words and post them for others to see. See folksonomy and page ranking.

Tag Your Favorite Site

del.icio.us offers browser tools for tagging sites. For example, clicking Tag in the Firefox browser opens a window for adding notes and descriptive tags to the site before posting it.

The noun has one meaning:

Meaning #1: variety of sweet eating apples