a commercial product that refills a container with its appropriate contents; "he got a refill for his ball-point pen"; "he got a refill for his notebook"
a prescription drug that is provided again; "he got a refill of his prescription"; "the prescription specified only one refill"
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"
make a tour of a certain place; "We toured the Provence this summer"