Meaning of shoran

shor•an

Pronunciation: (shôr'an, shōr'-), [key]
— n.
  1. a system for aircraft navigation in which two signals sent from an aircraft are received and answered by two fixed transponders, the round-trip times of the signals enabling the navigator to determine the aircraft's position.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.