WordNet
cross wire
n. 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" [syn: cross hair]
Usage examples of "cross wire".
He held the cross wire steady for a beat of his pumping heart, then Pressed the trigger.
Now there were two missile tubes separating him from his friend in the GRU, who was probably trying to cross wire the warheads and make half a cubic mile of ocean turn to plasma.