WordRel.com

• a journey or route all the way around a particular place or area

  synonym	circuit
  derivation	tourist
  hypernym	journeyjourneying
  hyponym	grand tourgrand touritinerationpackage holidaypackage tourpub crawlwalkaboutwhistle-stop tour

• a time period for working (after which you will be relieved by someone else)

  synonym	gospellturn
  hypernym	duty periodshiftwork shift

• a period of time spent in military service

  synonym	duty tourenlistmenthitchterm of enlistmenttour of duty
  hypernym	periodperiod of timetime period

• make a tour of a certain place

  derivation	tourertourist
  other	tourer
  hypernym	journeytravel
  hyponym	seetake the roadvisit