Radical:

meaning for tàn:

  • - to explore
  • - to search out
  • - to scout
  • - to visit
  • - to stretch forwardto explore
  • - to probeto investigate
  • - to probeto probe
  • - to take readings
  • - to explore
  • - explorationto explore
  • - to survey
  • - to prospect (for oil etc)
  • - prospectingto go home to visit one's family