Etymology: < Greek χώρα or χῶρος place, spot + -γραϕος: see chorographern.
An instrument invented by Prof. Wallace, of Edinburgh, to determine the position of a station, having given the angles made by it to three points in the same plane whose positions are known; the problem which is more quickly and roughly solved by the station-pointer.
ΚΠ
1839 W. WallaceGeom. Theorems 134, 153.
This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2018).