Definition of astrograph in English:
astrograph
noun
1Astronomy
A device for determining the positions of stars; especially a telescope used for photographing the night sky, specifically one using wide-angle photographs to detect celestial objects or to determine their position.2Aeronautics Nautical
historical A navigational device that projects a set of curves of equal altitude for a given star on to a navigational chart or plotting sheet.
Pronunciation
astrograph
/ˈastrə(ʊ)ɡrɑːf/ /ˈastrə(ʊ)ɡraf/Origin
Mid 19th century; earliest use found in The Literary Gazette. From astro- + -graph.
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