tour

noun

1. A journey through a particular building, estate, country, etc.

   “On our last holiday to Spain we took a tour of the wine-growing regions.”

2. A guided visit to a particular place, or virtual place.

   “On the company's website, you can take a virtual tour of the headquarters.”

3. A journey through a given list of places, such as by an entertainer performing concerts.

   “Metallica's tour of Europe”

4. A trip taken to another country in which several matches are played.
5. A street and road race, frequently multiday.
6. A set of competitions which make up a championship.
7. A tour of duty.

   “Among those released were two Americans who had been held captive for more than three months: Alex Drueke, a former U.S. Army staff sergeant who served two tours in Iraq, according to his aunt, Dianna Shaw; […]”

8. A closed trail.
9. (obsolete)A going round; a circuit.

   “The Bird of Jove, stoopt from his aerie tour,”

10. (obsolete)A turn; a revolution.

    “the tours of the heavenly bodies”

    “It [blood] onward springs, and makes the wondrous tour”

11. A circuit of snooker tournaments
12. (dated)A tower.

verb

1. (intransitive)To make a journey

   “The Rolling Stones were still touring when they were in their seventies.”

2. (transitive)To make a circuit of a place

   “The circuses have been touring Europe for the last few weeks.”

3. (obsolete)To toot a horn.

name

1. (abbreviation, alt-of, ellipsis)Ellipsis of Tour de France.