Definition of Cartesian coordinate
1 : either of two coordinates that locate a point on a plane and measure its distance from either of two intersecting straight-line axes along a line parallel to the other axis
2 : any of three coordinates that locate a point in space and measure its distance from any of three intersecting coordinate planes measured parallel to that one of three straight-line axes that is the intersection of the other two planes
First Known Use of cartesian coordinate
Seen and Heard
What made you want to look up Cartesian coordinate? Please tell us where you read or heard it (including the quote, if possible).