In a theodolite, etc., horizontal cross wires or hairs equidistant from the central horizontal cross wire.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). wires. Retrieved September 21, 2026, from http://smartdefine.org/wires/definitions/2082211 |
| Chicago | Webster's. 2011. "wires" http://smartdefine.org/wires/definitions/2082211 (accessed September 21, 2026). |
| Harvard | Webster's 2011, wires, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/wires/definitions/2082211>. |
| MLA | Webster's. "wires" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/wires/definitions/2082211> |