Tours

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.
8. A closed trail.
9. A going round; a circuit.
10. A turn; a revolution.

    the tours of the heavenly bodies

1. To make a journey

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

2. To make a circuit of a place

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

noun

A tower.

verb

To toot a horn.