A reticle.
A nearly square or nearly rectangular region created by a graticule.
A grid of horizontal and vertical lines.
The network of lines of latitude and longitude that make up a coordinate system such as the one used for the Earth.
An anatomical part resembling or including a network.
A rotating cutaway plate or overlay on an astrolabe or starmap which represents the horizon; used to locate stars and other astronomical features.
A network of blood vessels or nerves.