Well-Known ID

Alternative forms
WKID

Etymology
well-known + identifier (or ID)

Noun

 * 1) Term used in the specialized technical disciplines of geodesy and geomatics to indicate a numbering system which indexes a diverse range of Geographic Coordinate Systems and Projected Coordinate Systems.

Examples of Usage

 * 1) WKID 2277: NAD_1983_StatePlane_Texas_Central_FIPS_4203_Feet Projected Coordinate System
 * 2) WKID 4326: GCS_WGS_1984