RESEAU
reseau
(noun) a network of fine lines used by astronomers as a reference for measurements on star photographs
reseau
(noun) a net or mesh foundation for lace
Source: WordNet® 3.1
RĂ©`seau", n. [F.] A network; specif.:
(a) (Astron.)
Definition: A system of lines forming small squares of standard size, which
is photographed, by a separate exposure, on the same plate with star
images to facilitate measurements, detect changes of the film, etc.
(b) In lace, a ground or foundation of regular meshes, like network.
Source: Webster’s Unabridged Dictionary 1913 Edition