reseau

ré·seau or re·seau  (r-z, r-)

n. pl. réseaus or re·seaus or réseaux or re·seaux (-zz, -z)

1. A net or mesh foundation for lace.

2. Astronomy A reference grid of fine lines forming uniform squares on a photographic plate or print, used to aid in measurement.

3. A mosaic screen of fine lines of three colors, used in color photography.

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[French, from Old French reseuil, diminutive of raiz, net, from Latin rte.]

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A grid system of a standard size in the image plane of a photographic system used for mensuration purposes.

Thesaurus

Noun	1.	reseau - a net or mesh foundation for lace meshwork, meshing, network, mesh, net - an open fabric of string or rope or wire woven together at regular intervals
	2.	reseau - a network of fine lines used by astronomers as a reference for measurements on star photographs network - a system of intersecting lines or channels; "a railroad network"; "a network of canals"