cross hair


Also found in: Thesaurus, Encyclopedia, Wikipedia.

cross hair

or cross·hair (krôs′hâr′, krŏs′-)
n.
Either of two fine strands of wire crossed in the focus of the eyepiece of an optical instrument and used as a calibration or sighting reference.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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 calibrationcross 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"
graticule, reticle, reticule - a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
line - a mark that is long relative to its width; "He drew a line on the chart"
References in periodicals archive ?
Repairing & Servicing of Autolevels (Temporary adjustment (Level screw, tribach plate & trivet plate), Permanent adjustment, Line of collimation, Line of sight, Visibility of cross hair on reticule, Focusing of eyepiece and objective lenses, Removal of parallax, Bubble in spirit level, Horizontal tangent screw, Focusing knob, Removal of zero error in horizontal circle gradation, Compensator mechanism (pendulum prism) etc)
The holdover points on the lower cross hair put you on target at 50- or 100-yard increments beyond 100 yards.
To create the Dutch braid, cross hair under the center section as you go (instead of over like you would for a regular braid).
As the enemy soldier brought me into his gun's cross hair,
In the case of line and a turn to the left, the points should be to the right of the cross hair on the horizontal centerline of the target, Vidovic continues.
Hole size is adjustable from 1/2"- 8", and centers are found with a cross hair sight gage.
The cross hair thickness ratio (CHR) = thickness of the cross hair divided by the magnification.
You will not see the hands of the female navigator shake as she tries to control that cross hair on the target as she watches missiles fly towards her.
Global Online Provider of Paintball Parts and Accessories Targets Customers with Cross Hair Accuracy Using TreeHouse Interactive's Marketing View Marketing Automation Platform
Open, have put her squarely in the cross hair of the fashion police.
Each front cross hair has a corresponding rear cross hair that, when superimposed, defines one sighting point for a given range.
The Observer 320 has three cross hairs (reticles) to choose from and nine different color palette options that can be used in conjunction with the polarity function.