pointer

noun

1. a mark to indicate a direction or relation

   noun.communication

   Synonyms arrow

   Source: WordNet 3.0

2. an indicator as on a dial

   noun.artifact

   Source: WordNet 3.0

3. (computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions

   noun.artifact

   Synonyms cursor

   Source: WordNet 3.0

4. a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game

   noun.animal

   Synonyms spanish pointer

   Source: WordNet 3.0

5. One who, or that which, points.

   noun

   Source: webster1913