| reticule | 1. A little bag, originally of network; a woman's workbag, or a little bag to be carried in the hand. 2. A system of wires or lines in the focus of a telescope or other instrument; a reticle. Origin: F. Reticule, L. Reticulum, dim. Of rete a net. Cf.Retina, Reticle. Source: Websters Dictionary (01 Mar 1998) |
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| reticle | <microscopy> A group of lines, circles, angles, or some other pattern to be used as a measuring reference, as a focusing target, or to define a camera field of view. (05 Aug 1998) |
| reticle eyepiece | <microscopy> A microscope ocular having at its focal plane a reticle. (05 Aug 1998) |