Tour
TOUR, noun
1. Literally, a going round; hence, a journey in a circuit; as the tour of Europe; the tour of France or England.
2. A turn; a revolution; as the tours of the heavenly bodies. [Not now in use.]
3. A turn; as a tour of duty; a military use of the word.
4. A tress or circular border of hair on the head, worn sometimes by both sexes.
5. A tower. [Not in use.]