When two machines understand each other. I.e., if you create CAD drawings for a part on a computer, you can send it to a CNC lathe and the CNC lathe interpolates the information given to it by the computer. Example: The CNC machine interpolates the data sent to it.
INTERPOLATE
Meaning of INTERPOLATE in English
Slang English vocab. Английский сленговый словарь. 2012