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Is there a term for the imaginary line extrapolated from the tip of your finger when pointing at something?

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Pointing direction maybe? –  nico Aug 14 '11 at 12:06
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This is the most random coolest question ever. I'm curious. People talk about what you're pointing at, or the direction you're pointing, but the line segment you're creating between your fingertip and whatever you're pointing at doesn't seem to enter discussion and I don't believe it has a name or even phrase that you can use to refer to it. –  Jeremy Aug 14 '11 at 12:39

3 Answers 3

In a word: no. In comics you will occasionally see a dotted line indicating the item you are referencing. English does not have a term for that.

You can express the idea by saying, "the line extending from his/her finger toward the thing he/she is pointing at" or perhaps "line of demarcation" or such, but you have to go at it that way.

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Why demarcation? –  msh210 Aug 14 '11 at 19:03

Is there a term for an imaginary line extrapolated from the tip of the finger? I doubt if there's a single term referring specifically to this line (there's no term for this like there is "equator" for the imaginary line around the earth), and so I would advise you to just use, "imaginary line".

Point at something, and if you were to shoot along the imaginary line that forms from your finger to the target, you would hit the target.

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The 'axis' of his/her finger seems like a good bet. I draw from medicine for this usage, where we talk about the 'axis of the birth canal' or the 'axis of the orbit'. It's a straight, imaginary line running through the centre of a structure. So the axis of the finger would run through the finger and continue beyond its tip in the direction that it was pointing in.

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