pointer

(noun) a mark to indicate a direction or relation. Synonyms: arrow.

(noun) an indicator as on a dial.

(noun) (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. Synonyms: cursor.

(noun) a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game. Synonyms: Spanish pointer.