the supposed perception of distant occurrences or objects by means other than the known senses.

sensation or perception received at a distance without the normal operation of the recognized sense organs.

Medical definition of telesthesia: an impression supposedly received at a distance without the normal operation of the organs of sense.

telesthesia, telaesthesia ... a form of extrasensory perception, working over a distance and enabling the so gifted observer to perceive events, objects, etc.

My definition: https://www.youtube.com/watch?v=B_a5aYSuTlk

See also:

Have you ever experienced Telesthesis?