cross wire

American  

Or crosswire

noun

Optics.

1. cross hair.

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Etymology

Origin of cross wire

First recorded in 1865–70

Example Sentences

If not, the cross wire of B was moved till it coincided with dot 0, and the number of divisions of the micrometer head noted.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

Nothing like this contraption—” began the husky fellow, advancing and laying his hand on the top cross wire.

From Radio Boys Loyalty Bill Brown Listens In by Whipple, Wayne

I will always speak of it as the current in the cross wire or wires, so that no mistake, as to its place or origin, may occur.

From Experimental Researches in Electricity, Volume 1 by Faraday, Michael

All being at rest the number on the scale marked by the cross wire of the telescope was 572.

From Fragments of science, V. 1-2 by Tyndall, John

The banner was hung from the cross wire by means of several loops of rope, and it was in some of these loops that the cat had stuck its claws, and so hung on.

From Joe Strong the Boy Fire-Eater The Most Dangerous Performance on Record by Barnum, Vance