definition of
tour

[1] #1 tour n. [circuit] a journey or route all the way around a particular place or area; "they took an extended tour of Europe"; "we took a quick circuit of the park"; "a ten-day coach circuit of the island". wn

[2] #2 tour v. make a tour of a certain place; "We toured the Provence this summer". wn

[3] #3 tour n. [go, spell, turn] a time for working (after which you will be relieved by someone else); "it's my go"; "a spell of work". wn

[4] #4 tour n. [enlistment, hitch, term of enlistment, tour of duty, duty tour] a period of time spent in military service. wn