Cross Wire

nounverified·updated May 18, 2026

either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration

Framework senses

1 sense across 1 framework

Wordset Dictionary1 senseview framework →

§1: either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration