pointer

US /ˈpɔɪn.t̬ɚ/
UK /ˈpɔɪn.t̬ɚ/
"pointer" picture
1.

a long, thin stick used for pointing to things on a map, board, or screen

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The teacher used a pointer to highlight the important parts of the diagram.
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The laser pointer is great for presentations.
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indicatormarkerguide
2.

a piece of advice or a useful suggestion

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Can you give me some pointers on how to improve my writing?
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He gave me a few useful pointers before the interview.
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tiphintguidanceadvicesuggestion
3.

a breed of large hunting dog with a smooth coat, bred to point at game

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The hunter's pointer dog stood perfectly still, indicating the presence of game.
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We saw a beautiful English Pointer at the dog show.
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six-pointerthree-pointer