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cross' hairs"




1. Also called cross wires. fine wires or fibers, strands of spider web, or the like, crossing in a focal plane of an optical instrument to center a target or object or to define a line of sight.
2. marks for aiding in the positioning of overlaying images for correct registration in printing. Cf. register (def. 11b).

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

cross-grainedcrosshatch

 

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