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

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

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

At each movement of the feeding mechanism, when fabricating 2 point wire, one cross wire is fed forward.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" 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