skymap noun2 •Any of several charts or maps, similar to a star chart, that show the distribution of some particular, measurable parameter (such as microwave radiation, temperature etc). •A map of the night sky used to identify and locate astronomical objects such as stars, constellations and galaxies.So this article will review what is now known of Mesopotamian sky-maps, and to what extent they were passed on to the western world. — 1998 formsskymaps