cross wire   (TTS Sound)

The cross_wire has 1 Senses.

• cross wire, cross hair
• either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration; "he had the target in his cross hairs"
• 光学機器の焦点面で交差し、観察または測定に使用されるお互いに直角に交わった2つの細かい線のどれか